试题 试卷
题型:口算与估算 题类:常考题 难易度:普通
人教版数学六年级下学期第二单元百分数(二)(适用于云南地区)
+ = 75×20%= × = × =
3.14×3= ÷ = 15.7÷5= 20÷ =
- = 49÷ = 81× = 56× =
1- = + = 84×50%= ×40=
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