Tính: [ 92 – 1/9 – 2/10 – 3/11 – … – 92/100] : [ 1/45 + 1/50 +1/55 + … + 1/500] 14/08/2021 Bởi Arya Tính: [ 92 – 1/9 – 2/10 – 3/11 – … – 92/100] : [ 1/45 + 1/50 +1/55 + … + 1/500]
`=>` Tặng bạn `(92- 1/9 – 2/10 – 3/11 – …..- 92/100) : ( 1/45 + 1/50 + 1/55 + …..+ 1/ 500 )` `= (1-1/9 + 1- 2/10 + 1- 3/11…+1 – 92/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100)` `= ( 8/9 + 8/10 + 8/11 + 8/11…+ 8/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100)` `= 8 x (1/9 +1/10 + 1/11+…+1/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100)` `= 8 : 1/5` `= 40` Bình luận
Đáp án: Giải thích các bước giải: [ 92 – 1/9 – 2/10 – 3/11 – … – 92/100] : [ 1/45 + 1/50 +1/55 + … + 1/500] = (1-1/9 + 1- 2/10 + 1- 3/11…+1 – 92/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100) = ( 8/9 + 8/10 + 8/11 + 8/11…+ 8/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100) = 8 x (1/9 +1/10 + 1/11+…+1/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100) = 8 : 1/5 = 40 Chúc bạn học tốt Bình luận
`=>` Tặng bạn
`(92- 1/9 – 2/10 – 3/11 – …..- 92/100) : ( 1/45 + 1/50 + 1/55 + …..+ 1/ 500 )`
`= (1-1/9 + 1- 2/10 + 1- 3/11…+1 – 92/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100)`
`= ( 8/9 + 8/10 + 8/11 + 8/11…+ 8/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100)`
`= 8 x (1/9 +1/10 + 1/11+…+1/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100)`
`= 8 : 1/5`
`= 40`
Đáp án:
Giải thích các bước giải:
[ 92 – 1/9 – 2/10 – 3/11 – … – 92/100] : [ 1/45 + 1/50 +1/55 + … + 1/500]
= (1-1/9 + 1- 2/10 + 1- 3/11…+1 – 92/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100)
= ( 8/9 + 8/10 + 8/11 + 8/11…+ 8/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100)
= 8 x (1/9 +1/10 + 1/11+…+1/100) : 1/5 x (1/9 +1/10 + 1/11+…+1/100)
= 8 : 1/5
= 40
Chúc bạn học tốt