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一年级20以内加减法练习题

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2+18= 18-6= 16-1= 2+12= 5+11= 17-7= 5+1= 10-1= 12+5= 11-2= 15+1= 19-11= 10+9= 16-7= 2+15= 16-15= 15+3= 9-4= 20-1= 11-10= 6+8= 2+5= 2+6= 10+1= 17-16= 13+4= 20-1= 1+2= 20-3= 2+7=

19-6= 19-4= 17+3= 13-3= 14+3=

12+3= 12-11= 18-12= 17-16= 9+5=

3+17= 8+7= 1+16= 18-8= 11+9= 2+8=

15-12= 9+1= 14-1= 5+2= 13+7= 3+5= 17+3= 3+8= 8+4= 17+3= 4+12= 14+3= 1+14= 1+5= 3+14= 10+2= 9-8= 12-8= 2+5= 19-18= 17-3= 9-4= 6+13= 13+5= 3+7= 5+6= 17-1= 5+2= 7+7= 6+7= 20-13= 13+6= 15-5= 20-1= 5+8= 7+1=20-6= 8+6= 3+13= 1+19= 7+13= 10-2= 11+6= 1+8= 14+2= 2+10= 1+12= 8+12= 11-10= 3+3= 8+4= 8+2= 2-1= 1+4= 9+9= 20-18= 19-5= 5+6= 20-3= 17-10= 9+1= 9+10= 10-2= 18-17= 6+14= 9+6= 8-6= 7-5= 13+2= 19-12= 17-12= 16-4= 13-1= 16-8= 2+12= 15-8= 19-16= 19-4= 14+3= 3+4= 19-17= 5-1= 15+5= 20-1= 19-10= 7-1= 6-3= 6+13= 11-3= 11+7= 10+4= 20-15= 17-7= 7-6= 19-16= 14+3= 5+8= 20-19= 5+13= 1+8= 9+7= 13-2= 9-1= 17-9= 6-1= 18-4= 14-13= 10-1= 15-2= 12-2=

3+5= 9+5= 6+7= 5-2= 3+7= 20-9=

7+13= 3-2= 14-2= 20-15= 14+2=

18-4= 14+2= 11-3= 1+8= 12+1=

13-1= 18-13= 12+8= 11+7= 15-5= 16-5= 12-1= 4+5= 13+4= 7-2= 5+3= 4+12= 15+5= 12+1= 14-6= 7+8= 3+6= 16-6= 19-16= 11-9= 13-7= 4+11= 1+18= 19-18= 1+7= 13+2= 17-8= 17-7= 2+5= 7+10= 16-10= 5+6= 11-10= 18-16= 18-2= 11+7= 7+12= 9-1= 10-8= 10-9= 20-8= 20-11= 20-5= 20-18= 14-10= 6+11= 12+7= 12-10= 14+5= 9+8= 6+3= 16-4= 18-12= 1+17= 4+4= 10-2= 14-6= 12-6= 12+6= 15+2= 5+13= 9+6= 2+1= 16-14= 4+12= 3+13= 14-3= 18-5= 7+6= 12-1= 19-15= 18-1= 13-11= 16+1= 9-2= 16-7= 16-15= 18-14= 18-5= 16+4= 20-16= 17-5= 20-19= 10-5= 11-4= 1+8= 16-11= 17-5= 6+2= 6+10= 14-9= 18-11= 2+13= 6+8= 13-12= 13-3= 8+5= 19-4= 19-18= 7-4= 6+13= 17-3= 1+17= 20-6=

7-2= 17-6= 16-6= 14+3= 18-15=

20-13= 11-8= 5-2= 17-3= 15-5=

19-13= 7+6= 15-1= 17+2= 1+5= 2+10=

5-2= 11-2=2 8-2= 15-9= 12-9= 8-7= 14-3= 12-3= 8+9= 8+9= 11+2= 6+12= 14+5= 17-3= 7+3= 14-2= 0-15= 6+2= 2+5= 2+17= 17+1= 20-5= 19-14= 14-8= 17+3= 1+3= 8+9= 13-1= 5-1= 20-15= 6+4= 7+5= 10-4= 2+3= 3+15= 12-3= 7+4= 15-5= 10+1= 9+7= 2+11= 4+4= 15+2= 6-5= 15+4= 11-8= 2+10= 18-13= 10+5= 7+8= 7-4= 9+3= 19-18= 19-8= 3+1= 1+18= 9-3= 11-5= 7+10= 14-8= 9-4= 8+12= 11-9= 19-12= 18-14= 2+5= 7+12= 12+2= 18-11= 4+10= 19-12= 19-9= 15-1= 4+15= 18+2= 14+1= 1+8= 18-6= 20-19= 6-1= 5+4= 4+7= 2+14= 6+1= 13-4= 10-9= 19-11= 14+6= 2+18= 16-8= 10-8= 1+12= 8+4= 13+3= 4-1= 1+9= 14-5= 8+1= 4+4= 7+2= 16-2= 3+11= 14-13= 16+4= 9-11= 6+4= 10+9= 1+17= 12+6= 18-5=

17-11= 17-14= 9-7= 14-3= 14-1=

6+8= 20-16= 5+6= 5+2= 13-6=

4+4= 14-2= 5+2= 5+9= 19-15= 10-2=

6-5= 14+1= 19-10= 4+9= 3+4= 7+8= 6+5= 11-6= 18-17= 13-5= 15-10= 5+8= 14-11= 1+19= 20-7= 7+1= 19-14= 3+16= 20-1= 20-4= 19-1= 14-5= 6+3= 17-13= 9-2= 13-1= 2+4= 9+6= 14+2= 10-3= 3+10= 10-1= 10-2= 18-7= 6+6= 15-10= 16+2= 18-7= 2+14= 16-2= 8-1= 20-13= 5+12= 5+2= 4+11= 5+8= 3+11= 4+14= 8+7= 11+2= 6-2= 5+10= 2+18= 4-3= 4+12= 4+12= 20-1= 9-8= 14-5= 6+14= 19-18= 6-3= 1+6= 7+10= 8+11= 17-2= 4-2= 14+1= 10+9= 13-2= 5+3= 15-4= 8-2= 1+2= 5+10= 4+16= 7+5= 20-13= 10-9= 7-1= 14+6= 7+4= 5+10= 17-15= 4+15= 14-4= 14-10= 16-13= 15-2= 1+17= 13-1= 20-11= 4+5= 3+15= 5+2= 9-2= 9-1= 16-14= 10-5= 12+8= 2+1= 1+8= 14-7= 9+11= 3+4= 19-4= 20-14= 14+6= 13+4= 12-7=

10+7= 15+2= 20-5= 20-8= 5+6=

3+11= 17-3= 10+2= 3+15= 17+1=

18-17= 12+4= 11-9= 5+10= 13-2= 14-1=

14+5= 9+4= 12-9= 4+10= 1+2= 1+8= 10+3= 7+12= 19-15= 14-8= 2-1= 7+1= 7+12= 14-11= 14-6= 16+2= 9+5= 12+4= 7+9= 20-4= 6+2= 17+3= 7+2= 9-5= 4+12= 3+1= 4+12= 6-3= 19-11= 19-1= 15-11= 16-12= 9+7= 11-10= 1+18= 9+2= 5+12= 14-6= 10-5= 6+12= 12+5= 9+2= 16-7= 7+1= 14+3= 19-8= 17+2= 20-17= 5+9= 14-6= 14-3= 4+6= 19-6= 2+14= 20-14= 17-3= 9+7= 12-5= 14-13= 9+6= 10-7= 20-4= 8+3= 18-16= 13-2= 15-11= 17-7= 17-12= 5+9= 18-15= 9+3= 4+14= 20-8= 2+6= 11-9= 18-8= 3+8= 7+13= 7-6= 1+14= 15-9= 10+10= 18-15= 6-2= 3+14= 18-11= 2+3= 15-13= 19-16= 13-8= 5+9= 19-10= 11-2= 3-2= 6-1= 10-8= 16-14= 11-10= 5+1= 15-3= 20-10= 17-5= 6+13= 2+7= 14-3= 5+5= 3+11= 3+13= 17-11= 17-1= 18-6= 19-2= 15+3= 15-6= 14-8= 14-9=

9+8= 3+10= 10-6= 15-6= 14-7=

19-11= 17-7= 2+17= 17-15= 10-4=

16-1= 12+5= 3+7= 2+13= 6+9=

18+2= 12+8= 11+4= 12-7= 18-17= 1+10= 20-4= 5+4= 5+4= 11-1= 7+10= 18-10= 13+2= 6-2= 1+7= 16-7= 11+1= 20-7= 7+8= 14+2= 1+17= 3+17= 4+11= 5-1= 6+8= 13+3= 2+13= 16-4= 6+7= 14-8= 11+8= 15-1= 11+4= 16-5= 9-3= 7+10= 14-10= 20-1= 6+3= 1+17= 12-2= 1+13= 9+7= 3+11= 1+6= 15+3= 10+9= 2+14= 10+5= 6+3= 16-13= 13+4= 4+1= 9+8= 18-3= 20-19= 5-2= 13-11= 12-8= 7+10= 15-3= 7+1= 13-9= 3+4= 20-18= 18-2= 1+7= 1+14= 19-1= 6-5= 19-16= 2+5= 1+6= 9+11= 12+1= 2+15= 2+10= 8+8= 9+5= 5+2= 10+9= 17-7= 9+11= 15-2= 15-5= 16-15= 8-1= 6+13= 12+7= 3+14= 3+5= 9+6= 19-6= 2+18= 20-14= 3+11= 15-9= 10+8= 4+5= 4+12= 16-11= 14-13= 14+2= 17-5= 14-9=

8+12= 11+1= 16-4= 1+2= 13-9=

6+10= 16-2= 4+3= 20-7= 14-6=

10+10= 15+3= 17-4= 8-1= 4+3= 9-2=

18-1= 19-4= 3+2= 14+5= 13+7= 17-11= 11-4= 10-7= 10+9= 10-4= 4+11= 19-12= 16-4= 12+4= 12-10= 17-1= 3+3= 7+9= 20-17= 10-2= 6+5= 13-8= 7+12= 6+13= 3+1= 1 1-7= 4+1= 17-3= 2+13= 5+3= 11+4= 9+6= 6-1= 10+5= 16-11= 8+11= 16-12= 13-10= 8-1= 3+5= 15+1= 18-10= 15-8= 10+10= 11-4= 2+17= 15+3= 11-6= 14-11= 8+3= 2+18= 4+16= 15-13= 11-9= 19-11= 5+6= 3+12= 5+13= 9+9= 7+7= 9+6= 3+9= 3+11= 3+5= 1+11= 2+12= 13+1= 1+15= 8-3= 10+9= 4-2= 8+9= 8+5= 7+10= 19-5= 20-5= 20-8= 4-3= 7+2= 2+6= 11+5= 6+8= 7-3= 9+4= 1+19= 12-10= 1+6= 20-10= 16-9= 17-13= 14-13= 9+3= 12+7= 13+4= 16-11= 6+8= 20-9= 18-2= 3+8= 15-2= 10+6= 5+12= 17+3= 20-5=

13-6= 9= 13-7= = 11-9= +9= 2

17= 15-7= =

16-8= = 8+8= 4-4= 11-6= = 13-7= 8+9= 17-9=

15-6= 4+8= 16-7= 12-8= 17-13=

10-4

16-9=

14-7

8+6= 14-9= 11+9 =

15-8= 18-9= 12-9= 11-7= 12-9= 16-4= 17-8= = 15+5= =

7+5= 16+3= 8+7= 16-5=

6+14-5

7+ 18-5= 14+6

12+8

117+3

12+8=

14-10 = 5+8= 7+9= 15-7= 11-4= 12-8= 17-7=

11-5= 9+5= 17-3= 9+9= 16-2=

7+6= 4+9= 14-3= 13-5= 14-7=

11-2= 13-4= 9-5= 8+5= 7+3= 12-2= 19-10= 10+6=

10+8= 16-12= 11-2= 15-12= 11+7= 11+9= 11-1= 18-8=

20-12=

17-4= 15+4= 15-4= 14-2=

13+6= 17-11=

19-8= 16-7=

15-8= 19-3=

11+9= 18-4=

17-3= 12-7=

16-0= 10+2= 17-5= 15-3= 13-4= 11+9= 11-5= 18-12= 12+4= 17-10=18-6= 10+7= 10+9= 18-8= 16-5= 11+6= 18-7= 12+6= 10+3=

12+8= 13+5= 11-10= 13+2= 17+3=

18+1= 13+7= 13-6= 14+2= 14+5=

19-5= 14+5= 14-6= 19-6= 7+9= -9= 4+7= 7=

9+8= 9= 13-7= 8= 14-6= 9= 16-9= 5= 16-7= =

19-8= 6= 19-9=

8+8= 17-6=

9+4= 17-8= 4+6= 17-5=

6+7= 6+5=

5+7= 15-8=

8+4= 9+11=

13-7= 17-6= 8+5= 7+12=

5+8= 14 6+8= 9+ 5+3= 6+ 9+6= 12- 4+7= 7+ 9+8= 8+ 7+4= 8+3 9+5= 8+ 8+10= 13+7= 3+9= 11-8= 15-8=

13+6= 13-6= 6+8= 9+5= 13-8=

4+6= 9+9= 8+7= 14-5= 6+12=

12-9= = 6+14= =

17-9= = 12-9= 16-4= 17= 12-8= 15-7= =

15+5= = 8+6= 19-8= 14+6=

9+2= 4+9=

15-6= 12+8= 5+( )=14

7+ 11-( )=5

17-8= 17-( )=10

16-9= 16-8= )+8=12

17-11= 15-14= 13-6=

18-( )=9

11-9= 9= 16-7= 18-16= 10-4

=

14+( )=18 14-7 =

16-11 5+14 14-5

4+8= 2+

17-8= 14+6

12+8 14-10

( = 8+8= 14-9= ( )-12=3 7+5=

14-4=

11+9

= 11-6= ( )-8=8 17+1

= 15-8= 16+3= 5+8= ( )+5=18

9+2= 6=

15-9= 6= 9+4= 5= 12-9= 6= 11-3= 2= 4+8= +5=

14-6= 8= 7+7= +5= 11-5= 8+4= 5+6= 14-8= 13-5=

7+8= 5+7=

16-8= 11-5=

12-4= -10=

5+7= 8+6= 12-5= 15-6=

9+9= 8+9=

12-6= 7+5= 12-7= 7+7= 15-7= 13-4= 2+9= 11-5= 9+6= 14-9= 6+11- 6+14-11- 713- 816-

14 9= 15-8=

4+7= 6+6= 8+8= 9+3= 7+7=

14-8= 15-6= 16-9= 17-8= 18-9=

9+9= 7+5= 8+6= 5+9= 17-10= 9+11= 20-10= 18-5= 17-5= 6=

15-5= 18-10= 3+17= 19-13= 13-8=

16-1= 16-4=

6+12= 5+15=

19-10= 19-8=

18-6= 18-9=

17-6= 17-9= 15-6= 15-9=

17-11= 17-9=

2+18= 13-5=

18-12= 16-2= 7+13= 19-12= 18-7= 17-7= 15-7= 17-8= 3+13= 18-9= 16-3= 6+14=19-7= 18-8= 17-1 15-8= 13+4=18-10=

17-13= 18-14=

3+16= 3+17= 4+14= 14-5= 14+6=

13-5= 13-6= 13-7= 13-8= 13-9=

4+7= 0= 13-10= 4+12= 11

9= 11+7= 11=

14-8= 8= 9+9= 9= 10+8= 8+10= +5=

4+8= 4+15=

12-9= 12-5=

4+13= 4+16= 11-2= 11-5=

6+6= 7+9= 15-6= 18-9=

7+5= 13-8=

10+2= 17-7= 4+9= 4+1 12-3= 12-4= 4+14= 4+15=+

11-3= 11-4= 8+8= 9+ 16-9= 17- 8+6= 5++2= 8+2+3= 10-10= 19-3= 9+1+4= 14-10 13 18-8= 10+8= 3+11= 7+3+5= 19-9-10=

18-10= 3+10= 16-4= 7+4+6= 12+2+1= 10+1= 10+2= 19-4= 7+8+3= 20-10-10=

1+10= 10+10= 19-5= 6+4+7= 10-2-4=

11-1= 14-4= 15-3= 8+2+5= 5+5+5=

11-10= 18-8= 10+4= 5+4+6= 20-10-7=

6+10= 6+10= 13-3= 7+2+3= 10+0=

16-6= 10+9= 14-1= 3+4+10= 10+8=

16-10= 8+10= 10+2= 11-1-5= 10-5= 10+3= 13-3= 13-3= 17-7-3= 11-1=

3+10= 5+10= 3+15= 19-9+1= 16-10+3=

13-3= 16-10= 18-8= 15-5-7= 8-8=

13-10= 11-10= 5+5= 13-3-4= 10+9=

10+5= 13-10= 4+6= 18-10-4= 3+10=

9+1= 8+7= 8+4= 9+7= 9+7= 8+2= 7+9= 8+5= 6+6= 6+5= 8+3= 7+5= 9+6= 4+9= 2+8=

2+9== 19+9= 9+3= =

8+4= = 5+9= 8+6= =

4+9= 9= 5+9= = 6+9= = 7+9= 8+6= 6+8= 7+7=

8+8= 7+9= 5+8= 7+4= 8+10= 5+7= 8+5= 7+4= 8+6=

7+7= 5+7= 4+8= 9+2= 8+6= 6+5= 7+8= 7+10= 1+9=

9+8= 2+8= 7+3=

9+2= 6+4= 10+9=

8+3= 7+2= 6+58+8= 4+8 8+77+6= 3+9 5+ 3+8 6+7 5+6

= 2+10=

8+9= 6+7= 9+8= 6+9= 8+5=

9+0= 8+4= 6+3= 6+8= 10+7=

5+8= = 8+9= = 9+9= +3= 9+3= = 3+8= 3=

13-9= 13-8= 4+6= = 9+4= 7= 7+4= = 6+7= +9=

6+8= 10-5=

9+4= 3+8=

8+2= 5+9=

9+5= 5-4= 15-7= 11-3=

6+7= +4+6=

8+4= 4+3+2=

6+5= 4+6+5 =

10+4= -3= 9+5= +7= 9+3= 15-6= 5+9= 9+4= 8+6= +10+9 97+4 8+ 7+7 9+7+8 5 1 13 2 6 4 8+4= 6+6= 6+8= 9+6= 7+2+4=

10-2= 7+7= 8+5= 8+3= 2+6+5=

2+9= 9+7= 5+8= 7+4= 7+5= 9= 18-2= = 10+5= = 9+6= = 8+9= = 10+8= = 5+5= = 4+6= = 9+4= 7= 7+1+7=

8+8= 6+3+4=

9+2= 6+1+5=

5+7= 5+2+4=

9+5= 3+5+9=

9+8= 6+2+7=

9+6= +5+2=

7+8= 3+5+7=

6+7= 4+4+6=

8+4= 4+3+2=

8+4= 4+8= 9+4= 7+6= 7+6= 6+9= 9+5= 5+9= 9+4= 9+8+47+69+47+58+59+57+7 9+ 4

7+4= 6+5= 8+6= 7+8= 4+6+5 =

8+4= 6+6= 6+8= 9+6= 7+2+4=

10-2= 7+7= 8+5= 8+3= 2+9= = 7+5= 9=

18-2= = 10+5= = 9+6= = 8+4= = 9+4= =

8+7= = +6+5=

9+7= +1+7=

8+8= 6+3+4= 9+2= +1+5=

5+7= +2+4=

9+5= 3+5+9=

7+9= 6+4+1=

8+10= 3+6+5= 6+10= +2+6=

5+8= 8+4= 4+8= 9-4= 7+6= 6+7= 7+5= 5+7= 7+4 9+8+47+69+46+87+99+8 2 7 6 5 79+2= 8+6= 4+7= 9+3= 4+4+9=

7+5= 19-7= 7+4= 8+4= 9+1+9=

7+9= 7+3= 9+3= 8+3= 8+2+2=

8+5= = 5+10=

13-7= = 11-9= +9= 2

17= 15-7= = 16-8= =

8+8= 4-4= 11-6= 2+8= 7+3+1=

18-10= 20-20=

15-6= 4+8= 16-7= 12-8=

10-4

16-9=

14-7

8+6= 14-9= 11+9 =

6+6= 17-10= 12-9= 16-4= 17-8= = = 7+5= 6+6 12+4= 14-5

12+8= 7+ 18-5= 14+6

12+8

117+3

17-13=

15+5=

14-10 = = 15-8= 16+3= 5+8= 13-7= 18-9= 12-9= 8+7= 16-5=

7+9= 15-7= 11-4= 12-8= 17-7= 8+2+4= 8-2+6= 3+6+9= 4+5+8=

7+3+2= 8+2+6= 7+3+4= 9+1+8= =

8+2+5=

5+4+9= 5+2+2= 3+6+4= 5+2+7= 7-3+6=

7-2+7= 4+2-3= 6+3+4= 4+2+5=

4+4-2= 6+2+7= 6+3+7= 5+4+7= 4+5+8= 1+0+7= 9-6-1= 5+4+6= 5+1+7= 2+3+9= 7+2+6= 9+1+5= 7+3+2= 10+8-4= 2+6+5= 7+2-5= 9-2+7= 8-2+8= 9-4+7= 8-2+7= 9-4+7= 6+2+9= 8-2+3= 9-4+6= 4+3+5= 6+2-3= 3+9+6= 10-5+4= 2+3+4= 6+3+8= 3+3+2= 2+2+4 4+8+7= 10+2+7= 12+6-5= 7-7+5= 8+2+7= 8-3+7= 5+2+3= 6+2+2= 3+3+1= 2+3+5= 7+2+7= 7-2+9= 3+4+6= 3-0+7= 18-10= 17-11= 17-8= 17-13= 17-9=

3+17= 2+18= 3+13= 13+4= 13-5=

19-13= 18-12= 18-9= 18-10= 3+16=

13-5= 4+7= 0= 13-10= 4+12= 11

9=

8+1+2= +5=

1+8+5=

3+17= 14+6= 13-6= 13-9=

4+8= 4+15=

12-9= 12-5=

4+13= 4+16= 11-2= 11-5= 6+2+7= 8+2+7= 4+14= 13-7= 4+9= 12-3= 4+14= 9-6+4= 4+5+8= 14-5= 13-8= 4+1 12-4= 4+15=+

11-4= 5-5 7-3

18-14= 11-3= +4=

6+3+9= 6-3+9= 7+5-7= 6+2-6=

10-1+2= 5+1+7= 10-4-0= 8-7+6=

15-9+4= 13-5-3= 8+7-9= 12-6-5=

10-7= 12-11= =

12+5= 13-6= = 5+6=

15-6= 14-4= +6=

9+3= 10-0= +7=

8-2= 12+5= = 12-8=

15+5= 15+4= 16+3=

12+7= 16-12= 16+4=

16+4= 17+2= = 15-9= 8+6= 10-10= 13-5= 8+9= 9-5= 7-6= 15-3= 17-7= 17-12= 11-3 7+4 7 7 9+0 15-8=16-14= 18+2=

14-6 19+1=

20+0= 3+14= 19-10= 19-12= 11-4=

19-14= 19-8= 13+7= 14-9= 15-8=

14-11= 18-7= 12-5=

9+6= 18-12= 8= 5+8=

16-9= 11-8= 6= 12-5=

13-9= 13-8= 14-5=

9+3= 9+8= 7= 4+9=

18-7-8=

10+5-7= 17-6-2=

6+9+4= 5+8+7= 9+5+4=

11-9+14= 12-8+16= 15-8-6=

14-9+13= 15-8+9= 11-4+13=

10+4= 7+6= 13-7= 14-11= 7+8= 17-8+6= 7+6-8= 17-9-2= 18-5= 6+ 15- 12-6= 6+ 12+5-9=

6+6+7= 13-6+12= 12-3+8= 16-7-4= 13+6= 9+5= 10+10= 6+10= 18-15=

14-6= 7+12= 6+5= 16-11= 9+6=

18-6= 13= 6+12= 4= 16-8= = 5+4-7=

13-6+11= ( 10+4-8= 9= 16-12= = 16-10= 12-7= 14+6= 8+11= 15-7=

14-8= 5+9= 7+11=

14-11= 17-9= 18-9=

2+9-8= 6+7-5= 3+6+11= 18-9-9= 11-7+6= )+5=12

20-13+8=

17-9-3= 12-8-6=

16-13= 16-9= 16-11=

15-4= 15-12= 15-8=

12+8= 12-9= 12-11=

7+ 19-1 12-7 7+12-6=6+9-7= 13-5

16-15 15-13= 4+14=

15-10= 14-1= 14-2= 14-3= 14-4=

3+16= 2+17= 2+18= 1+19= 2+10=

19-5+4= 19-6-7= 19-7-8= 19-8+6= 19-9-7=

8+12-9= 2+16-9=

15-5=

13-11= 14-12= 16-9= 6= 9+8-5= 9-12= 17-9+5= 14+5-7=

9+3+8=

2+13-7= 15-6= 15-9= 12-7= 20-14=

14-9=

11-8= 12-6=

6+5+8= 5+9-12=

9+8-6= 2+14-9= 15-7= 19-13= 20-14= 13+7= 6+7-4=

7+8-9= 2+15-9= 15-8= 12-8= 14+5= 15- 6+12-6-3=

6

14-8= 13-8+7= 14-7+4= 7-8= 4+9-6=

13-6= 8+9= 11-7= 6+9= 17-9= 13-7=

= 15-6= 12-9= 12+8= 11-9= 4+8= 16-4= 714-5

+9= 2+17=

15-7= = 16-8= = 8+8= 4-4= 11-6= = 13-7= 18-9

7+9= 11-5= 7+6= = 11-2= 16-7=

12-8= 17-8= 18-5= 17-13=

10-4

=

14+6 16-9= 15+5=

14-7

=

12+8

8+6= 14-10 =

14-9= 7+5= 1 11+9 =

17+3

15-8= 16+3= 5+8= = 12-9= 8+7= 16-5= 15-7= 11-4= 12-8= 17-7= 9+5= 17-3= 9+9= 16-2= 4+9= 14-3= 13-5 14-7=

13-4= 9-5= 8+5= 7+3=

10-7= 12-11= 14-6= 15-9= 11-3=

12+5= 13-6= 8+6= 7+4= 5+6=

15-6= 14-4= 10-10= 13-5= 7+6=

9+3= 10-0= 8+9= 7=

8-2= 12+5= 7-6= = 12-8=

15-9+4= 13-5-3= 8-3+7= =

10+4-8=

20-13+8=

9= 17-9-3= 12-8-4=

12-2= 11-1= 16-0= 18-8=

19-10= 20-12= 10+2= 10+3=

10+6= 17-4= 17-5= 15+4=

10+8= 15-4= 15-3= 14-2=

16-12= 13+6= 13-4= 17-11=

9-5= 8+7-9= 13-5

7+ 9+0-5+

17-10=18-6= 10+7= 10+9= 18-8= 12-6

11-2= 19-8= 11+9= 16-5= 16-7=

15-12= 15-8= 11-5= 11+6= 19-3=

11+7= 11+9= 18-12= 18-7= 11+9= 12+8= 18+1= 19-5=

15+5= 12+7= 16+4= 20+0= 19-14= 18-4=

17-3= 12-7=

13+5= 17+3=

13+7= 14+5=

14+5= 19-9= 15+4= 16+3=

16-12=

17+2= 19+1=

3+14=

19-8= 12+4= 11-10= 13-6= 14-6= 15-3= 17-12= 19-10= 13+7= 12+6=13+2= 14+2= 19-6= 15-8=18+2= 14-9=

17-7= 16-14= 16+4= 19-12= 11-4= 15-8=

14-11= 18-7= 10+4= 18-5= 12-5= 18-7-8=

10+5-7= 17-8+6= 12+5-9=

17-6-2=

6+9+4= 7+9= -9= 4+7= 7=

9+8= 9= 13-7= 8= 14-6= 9= 16-9= 5= 16-7= =

19-8= 9+5+4=

5+8+7= 8+8= 17-6=

9+4= 17-8= 4+6= 17-5=

6+7= 6+5=

5+7= 15-8=

8+4= 9+11=

13-7= 17-6= 8+5= 5+8= 6+8= 5+3= 9+6= 4+7= 9+8= 7+4= 9+5= 6+6+7= 14 9+ 6+ 12- 7+ 8+ 8+3 8+

7+6-8= 6= 7+12=

8+10= 13+7= 3+9= 11-8= 15-8=

13+6= 13-6= 6+8= 9+5= 13-8=

4+6= 9+9= 8+7= 14-5= 12-9= =

6+14= = 13+6= 14-6= 11= 18-6= 3= 6+12= 4=

16-8= 5+4-7= 6+12=

19-8= 14+6= 9+2= 4+9=

9+5= 18-15=

7+12= 9+6=

14+6= 15-7=

14-8= 7+11= 14-11= 18-9=

2+9-8= 6+7-5= 3+6+11=

17-11= 15-14= 10+10= 6+5= 8+11= 5+9= 17-9= 16-11 5+14 6+10= 16- 7+1 19-1 12-7=7+12-6= 13-6+11= 18-9-9= 11-7+6= 6+9-7= ( )+5=12 17-9=

13-6=

14-5

= 15-6= 18-( )=9

12-9= 12+8= 11-9= 4+8= 5+( )=14

16-4= 17= 12-8= 15-7= = 15+5= = 8+6= =

7+5= = 17+1

= ( 9+2= 6= 7+9= 11-( )=5

17-8= 17-( )=10

16-9= 16-8= ( )+8=12

8+8=

11-6= 15-8= )+5=18

8+4= 5+6=

16-7= 18-16= 10-4

= 14+( )=18

14-7 =

14-9=

14-4= ( )-8=8 7+5= 2+ 17-8=

14+6

12+8 14-10

)-12=3

11+9

5+8= 6+ ( 16+3= 15-9= 14-8= 12-7= 11-6= 13-5=

9+4= 7+8= 7+7= 6+5= 5+7=

12-9= 16-8= 15-7= 14-6= 11-5=

9+6= 18-12= 8= 5+8=

16-9= 11-8= 6= 12-5=

9+8= 5+8= 9= 5+9=

13-9= 13-8= 14-5=

9+3= 9+8= 7= 4+9=

11-9+14= 12-8+16= 15-8-6=

14-9+13= 15-8+9= 11-4+13=

11-3= 12-4= 2= 14-10=

4+8= 5+7= 7+6= 13-7= 7+4= 14-11= 7+8= 16-7-4= 17-9-2= 13-4= 2+9= 6+ 15- 6+ 12-6= 6+13-6+12= 12-3+8= 11- 7+

5= 8+6=

14-6= 12-5= 11-5= 13-8= 15-6=

7+7= 9+9= 9+6= 8+5= 11-5= 9= 4+7= 3= 14-8= 8=

9+9= 9= 17-10= 9+11= 20-10= 18-5=

8+9=

12-6= 15-8=

6+6= 7+7=

15-6= 18-9= 7+5= 13-8=

16-1= 16-4=

6+12= 5+15=

19-10= 19-8=

18-6= 18-9= 14-9= 8+8= 16-9= 8+6= 16-2= 7+13= 18-7= 16- 9+ 17- 5+ 16-3= 6+14=19-7= 18-8= 19-12= 17-5= 17-6= 17-7= 17-16= 17-9=

16-12= 16-13= 16-9= 16-15= 16-11=

16-10= 15-4= 15-12= 15-13= 15-8=

12-7= 12+8= 12-11=

15-10= 14-1= 14-4=

3+16= 2+17= 2+10=

19-5+4= 19-6-7= 19-9-7=

8+12-9= 2+13-7= 2+16-9=

15-5= 15-6= 15-9=

18-10= 17-11= 17-9=

3+17= 2+18= 13-5=

19-13= 18-12= 18-14=

12-9= 14-2= 2+18= 19-7-8= 2+14-9= 15-7= 17-8= 3+13= 18-9= 4+14= 14-3= 1+19=19-8+6= 2+15-9= 15-8= 13+4=18-10= 17-13= 3+16= 3+17= 4+14= 14-5= 14+6=

13-5= 13-6= 13-7= 13-8= 13-9=

4+7= 4+8= 4+9= 4+10= 4+15=

13-10= 4+12= 11

9= 11+7= 11= 14-8= 8= 9+9= 9= 15-5= =

13-11= 12-9= 12-5=

4+13= 4+16= 11-2= 11-5=

6+6= 7+9=

15-6= -9=

7+5= 13-8=

15-6= 15-9= 12-7= 20-14=

12-3= 4+14= 8+8= 16-9= 8+6= 15-7= 19-13= 12-4=+

9+ 17- 5+ 15-8 12-8= 4+15= 11-3= 11-4= 18 14-12= 14-9= 20-14= 14+5= 14-8=

16-9= 11-8= 13+7= 15-6= 12-6=

9+8-5= 6+5+8= 6+7-4= 6+9-12= 5+9-12=

17-9+5= 13-8+7= 14+5-7=

16-12= 16-13= = 16-11=

16-10= 15-4= 15-8=

9+3+8= 9+8-6= 7-8= 4+9-6= 18-7-8=

10+5-7= 17-6-2=

6+9+4= 5+8+7= 9+5+4=

16-9= 15-12= 7+8-9= 17-8+6= 7+6-8= 12-6-3= 16-15 15-13= 6+ 12+5-9=

6+6+7= 14-7+4=

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