试题 试卷
题型:口算与估算 题类:常考题 难易度:容易
北师大版2017-2018学年六年级上学期数学期末测试试卷(C卷)
( )×0= 50% = = +25%=
÷ = 30×30%= 8×25%= 80%×90%=
+ = - = + = 2- =
- = + = + - = 3- - =
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