题型:口算与估算 题类:常考题 难易度:容易
2019-2020学年人教版六年级上册数学冲刺专题:数的运算
×4= 10× = + = × =
× = ×7= × = × =
× = × = × = - =
× = ×5= × = × =
-10%= ×50%= 10%÷10%= 10÷10%=
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