试题 试卷
题型:口算与估算 题类:真题 难易度:普通
河北省秦皇岛市2020年小升初数学试卷
423÷72≈ 547-149≈ +0.25= ÷ = × =
× = + = ÷ = ﹣ ﹣ =
3.14×202= 5× = ÷40%= 1÷6× =
=
÷5%=
10%×5=
1÷25%=
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