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题型:填空题 题类:常考题 难易度:普通
分数四则混合运算(含分数混合运算及运算律)7641
=
2.3+3.57= 199-65= o.8×0.9= 12×( × )=
1- = ÷ = 3.2÷0.4=
× = + = ÷ = ﹣ ﹣ =
3.14×202= 5× = ÷40%= 1÷6× =
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