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= ( 75 : 100 ) + ( 3: 4 ) + ( 75 : 100 ) x 29 x 30 + 0,75 x 40
= 0,75 + 0,75 + 0,75 x 29 x30 + 0,75 x 40
= 0,75 x ( 29 + 30 + 40 )
= 0,75 x 100
= 75
tham khảo:
= ( 75 : 100 ) + ( 3: 4 ) + ( 75 : 100 ) x 29 x 30 + 0,75 x 40
= 0,75 + 0,75 + 0,75 x 29 x30 + 0,75 x 40
= 0,75 x ( 29 + 30 + 40 )
= 0,75 x 100
= 75
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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+3/4 *29+75% *30 + 0,75 * 40`
`= 0,75 + 0,75 * 29 + 0,75 * 30 + 0,75 * 40`
`= 0,75 * (1+29+30+40)`
`=0,75*100`
`=75`
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= 3/4 + 3/4 x 29 + 3/4 x 30 + 3/4 x 40
= 3/4 x ( 1 + 29 + 30 + 40)
= 3/4 x 100
= 75
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=0,75 x 1 + 0,75 x 29 + 0,75 x 30 + 0,75 x 40
= 0,75 x (1+29+30+40)
=0,75 x 100
=75
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= 3/4+ 3/4 x 29 + 3/4 x 30 + 3/4 x 40
= 3/4 x ( 1+29+30+40)
=3/4 x 100
= 75
= ghi đề bài.......=0,75 + 0,75 x 29 + 0,75 x 30 + 0,75 x 40
=0,75 x (29 + 30 + 40 + 1)
=0,75 x 100
=75
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Lâu quá mà chưa ai giải được à ? Vậy tớ giải đây :
75% = 0,75; 75/100 = 0,75; 3/4 = 0,75.
75/100 + 3/4 x 29 + 75% x 30 + 0,75 x 40
= 0,75 + 0,75 x 29 + 0,75 x 30 + 0,75 x 40
= 0,75 x ( 29 + 40 + 30 + 1 )
= 0,75 x 100
= 75.
***Bài này tớ biết mà !!!
rảnh ghê tự đăng câu hỏi tự trả lời nhưng thôi cũng k cho bạn 1 cái
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75/100 + 3/4 x 29 + 75% x 30 + 0,75 x 40
= ( 75 : 100 ) + ( 3: 4 ) + ( 75 : 100 ) x 29 x 30 + 0,75 x 40
= 0,75 + 0,75 + 0,75 x 29 x30 + 0,75 x 40
= 0,75 x ( 29 + 30 + 40 )
= 0,75 x 100
= 75
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