方框里填几
1、看图列式计算
32 49 27
23
32 + = 49 — 27=23 想:49-32= 想: 27+23=
37 38 75
+ =
— =
36 24 60
+ = + =
— = — =
2、填一填 48 + =80 + 35 = 35 62 + = 86 + = — =
49- =25 -24 = 45 6 + = 72 + 40 =76 65- = 30 100- = 67 67- =33 - 11 = 35 32- = 19
70- =48 + 45 = 60 -66 = 7
第一单元天天练
方框里填几1、看图列式计算3249272332+=49—27=23想:49-32=想:27+23=373875+=—
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