X÷60%-X=40怎么算?
问题描述:
X÷60%-X=40怎么算?
答
X÷60%-X=40 两边乘60%
x-0.6x=24
0.4x=24
x=60
X÷60%-X=40怎么算?
X÷60%-X=40 两边乘60%
x-0.6x=24
0.4x=24
x=60