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数学
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解方程 (X+120)÷100=(X-120)÷80
人气:329 ℃ 时间:2019-12-11 18:55:50
解答
(X+120):100=(X-120):80
100(X -120)=80(X+120)
100X-12000=80X+9600
20X=21600
X=1080
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解方程(100—80)*(120/80-X)=100*10%X+80X
解方程.120-25%X=100
【解方程】x-(x-120)*80%=76
解方程:x*120%*80%=x-200
解方程:40%x=80 x+120%x=33
英语翻译
what does she liketo have?有没有对
英语填空,适当形式9
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