试题 试卷
题型:口算与估算 题类:常考题 难易度:普通
0.12=
48×51≈
456÷48≈
1.25××8=
1÷5%=
1﹣1÷7=
(1﹣)×14=
×7+7×=
+ ×0= ÷ ÷ = × ÷ × = 0.32﹣0.22=
试题篮