1/5X÷2/5=5/8
来源:百度知道 编辑:UC知道 时间:2024/04/29 07:59:52
方程计算
1/5X÷2/5=5/8
解:1/5X=5/8×2/5
1/5X=1/4
5X=4
X=4/5
整理方程得8X/16=25
8X=400
X=50
整理方程得1/5X=1/4
X=0.8
1/5x÷2/5=5/8
8x÷16=25
1/2x=25
x=50
1/5X÷2/5=5/8
解:1/5X÷2/5=5/8
可化为:1/5X=1/4
方程两边同乘20,得:
4X=5
解得:X=5/4
检验:把5/4代入原式
1/5X5/4÷2/5=5/8
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