试题 试卷
题型:口算与估算 题类: 难易度:容易
2023.1.3巴蜀中学数学随堂练习
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2.3+3.57= 199-65= o.8×0.9= 12×( × )=
1- = ÷ = 3.2÷0.4=
=
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