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题型:填空题 题类: 难易度:普通
【小白鸥-情境卷】数学人教版三上小卷第六单元重难题专项 乘法算式推理题
345+347+349+351+353+355+357
=×
=
258-58-26-74
900-157-343={#blank#}1{#/blank#}
39+27
=39+1+26
=(39+1)+26
=40+26
=66
⑴96-32.4-27.6;⑵101×275-275;⑶
⑷;⑸
⑹;⑺
⑻;⑼
⑽
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