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Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
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0.7 / x = 0.75 - 0.5 / x
0.75 = 0.5/x + 0.7/x
0.75 = (0.5+0.7)/x
0.75 = 1.2/x
x = 1.2/0.75
x = 1,6
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đây là cách giải
1.5 x 0.5 + 0.75/3 + 0.5
= 1.5 : 2 + 75/300 + 0.5
= 0.75 + 1/4 + 0.5
= 0.75 + 0.5 + 0.25
= 1.25 + 0.25
= 1.5
đáp số 1.5
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`@Neo`
`75/100 + 3/4 xx 29 +75% xx 30 + 0,75 xx 40 `
`=75/100+3/4xx29+75/100xx30+3/4xx40`
`=75/100+75/100xx29+75/100xx30+75/100xx40xx1`
`=75/100xx(29+1+30+40)`
`=75/100xx100`
`=7500/100=75/1=75`
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`75/100 + 3/4 xx 29 +75% xx 30 + 0,75 xx 40 `
`=75/100+3/4xx29+75/100xx30+3/4xx40`
`=3/4+3/4xx29+75/100xx30+3/4xx40xx1`
`=3/4xx(29+1+30+40)`
`=3/4xx100`
`=300/4=75/1=75`
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`75/100 + 3/4 xx 29 +75% xx 30 + 0,75 xx 40 `
`=0,75+0,75×29+0,75×30+0,75×40`
`=0,75×(1+29+30+40)`
`=0,75xx100`
`=75`
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75/100 +75%x59+0.75x40
=75%+75%x59+75%x40
=7500%
tk cho mk nha
thank you
=75%+75%*59+75%*40
=0,75*1+0,75*59+0,75*40
=0,75*(1+59+40)
=0,75*100
=75