4500除以18
=4500除以9除以2
=500除以2
=250
猜你喜欢
- 1有10棵树,要栽5排,每排栽4棵
- 28x+2x=100 3.5x+17=25.4 3×8+3x=48 2x-3.6=7.4 (2+x)÷12.5=0.
- 3找规律1分之3,150%,1,4分之3,60%,()小数,()分数,()百分数 规律是:
- 4which is the ( ) to the bus stop ,piease?
- 5用所给动词的适当形式填空.Is Tom______(skip)a rope
- 6一个长方体底面周长40厘米的正方形,高是4厘米,求着个长方体的体积和表面积
- 7一个平行四边形,分成三个三角形,两个空白的三角形的面积分别是24和18,那平行四边形的面积是多少?
- 81 what do you have for brenk fast?2 what do you have for lunch 翻译成汉语
- 9He didn't see the movie.He stayed at home.(保持句意)
- 10编写快速排序算法,对数据①(100,86,48,73,35,39,42,57,66,21)进行排序.