50以内加减法填括号
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50以内3数加减混合填空500题50题一页打印版
3. ( ) +11 - 23 =10
4. ( ) +29 - 3 =45
5. ( ) + 3 - 14 =10
6. 11 +( ) - 31 =15
7. ( ) +21 - 35 =10
8. 12 +12 +11 =( )
9. 12 + 9 - 2 =( )
10. 20 +( ) +16 =42
11. 19 +12 - 20 =( )
34. ( ) +22 - 8 =21
35. ( ) +11 +15 =28
36. ( ) + 8 + 9 =41
37. ( ) +12 - 23 =13
38. 23 +22 + 1 =( )
39. 4 +11 +32 =( )
40. ( ) +35 - 38 =11
41. 9 +24 - 6 =( )
34. 23 + 3 -( ) =13
35. ( ) + 0 +37 =50
36. 22 + 6 +16 =( )
37. 14 +( ) + 5 =46
38. 31 + 5 +( ) =49
39. ( ) +23 - 23 =21
40. 14 + 7 -( ) = 1
41. ( ) + 2 +20 =45
46. 2 +38 -( ) =39
47. 16 +( ) - 39 = 0
48. ( ) +36 - 29 =10
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