60×0.8+括号x÷0.88-60括弧乘以1.2=x求怎么算的

60×0.8+括号x÷0.88-60括弧乘以1.2=x求怎么算的
2025-01-24 08:51:48
推荐回答(2个)
回答1:

x=880
解析:
60*0.8+(x÷0.88-60)*1.2=x
60*4+(x÷0.88-60)*6=x
x÷0.88-x=360-240
x÷0.88-x=120
x-0.88x=120*0.88
0.12x=120*0.88
x=1000*0.88
x=880

回答2:

60×0.8+括号x÷0.88-60括弧乘以1.2=x
60*0.8+1.2(x/0.88 -60)=x
48+(15/11)x - 72 =x
(4/11)x = 24
x=66