试题 试卷
题型:口算与估算 题类: 难易度:容易
西师大版六年级上册数学第七单元负数的初步认识基础练习
= = = =
= 100× = = 1÷ =
①34+66=
②0.875﹣13%=
③1800÷45=
④6.4+9.6=
⑤0.23=
⑥
⑦*12×98≈
⑧*3602÷61≈
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