20以内加减法练习

8 + 6 = 15 - 7 = 9 + 5 = 14 - 8 = 2 +( )= 11

16 - 9 = 3 + 9 = 13 - 4 = 3 + 8 = ( )- 12 = 0

7 + 9 = 3 + 8 = 15 - 8 = 16 - 9 = 9 +( )= 13

7 + 8 = 17 - 8 = 9 + 9 = 6 + 8 = ( )- 8 = 8

15 - 9 = 8 + 6 = 17 - 3 = 12 - 8 = 8 +( )= 17

8 + 4 = 15 - 7 = 14 - 8 = 5 + 7 = ( )+ 9 = 11

14 - 6 = 12 - 5 = 5 + 8 = 13 - 4 = 17 -( )= 9

5 + 9 = 7 + 4 = 13 - 6 = 16 - 9 = ( )- 7 = 7

15 - 6 = 13 - 9 = 9 + 2 = 9 + 6 = ( )+ 9 = 13

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

7 + 9 = 11 - 9 = 11 - 6 = 14 - 5 = 9 +( )= 16

9 + 5 = 7 + 6 = 12 - 9 = 9 + 8 = 18 -( )= 9

6 + 8 = 12 - 4 = 9 + 7 = 13 - 8 = ( )+ 9 = 14

13 - 5 = 8 + 7 = 16 - 7 = 7 + 7 = 14 -( )= 7

8 + 3 = 17 - 9 = 11 - 2 = 12 - 7 = ( )- 5 = 8

7 + 8 = 13 - 7 = 5 + 6 = 17 - 8 = ( )- 8 = 8

14 - 8 = 6 + 6 = 15 - 9 = 8 + 8 = 4 +( )= 11

4 + 8 = 16 - 8 = 8 + 5 = 14 - 9 = 9 +( )= 18

8 + 7 = 9 + 9 = 16 - 8 = 7 + 9 = ( )- 3 = 8

14 - 5 = 5 + 7 = 9 + 4 = 15 - 6 = 12 -( )= 3 9 + 6 = 14 - 9 = 4 + 8 = 6 + 7 = ( )+ 9 = 11

5 + 8 = 7 + 7 = 17 - 8 = 2 + 9 = 15 -( )= 7

18 - 9 = 4 + 9 = 7 + 5 = 6 + 8 = ( )- 8 = 5

6 + 6 = 11 - 6 = 8 + 9 = 16 - 7 = ( )+ 7 = 15

9 + 2 = 7 + 6 = 15 - 9 = 9 + 3 = 15 -( )= 8

8 + 6 = 15 - 7 = 9 + 5 = 14 - 8 = ( )+ 9 = 18

16 - 9 = 3 + 9 = 13 - 4 = 3 + 8 = 15 -( )= 6

14 - 7 = 8 + 3 = 15 - 8 = 9 + 8 = ( )+ 9 = 12

5 + 9 = 17 - 9 = 8 + 8 = 11 - 7 = 14 -( )= 8

11 - 5 = 9 + 7 = 14 - 6 = 8 + 5 = ( )+ 9 = 13