8.Tính bằng 2 cách A: 2/3 : 5/4 : 7/6 B: 2/3 : 4/3 : 5/4 C:2: 2/3 : 3/4 26/08/2021 Bởi Lyla 8.Tính bằng 2 cách A: 2/3 : 5/4 : 7/6 B: 2/3 : 4/3 : 5/4 C:2: 2/3 : 3/4
a ) C1 `2/3` : `5/4` : `7/6` = `8/15` : `7/6` = `48/105` C2 `2/3` : `5/4` : `7/6` = `2/3` x `4/5` x `6/7` = `8/15` x `6/7` = `48/105` b ) C1 `2/3` : `4/3` : `5/4` = `6/12` : `5/4` = `24/60` = `4/10` = `2/5` C2 `2/3` : `4/3` : `5/4` = `2/3` x `3/4` x `4/5` = `6/12` x `4/5` = `24/60` = `4/10` = `2/5` c ) C1 2 : `2/3` : `3/4` = `6/2` : `3/4` = `24/6` = 3 C2 2 : `2/3` : `3/4` = `2/1` x `3/2` x `4/3` = `6/2` x `4/3` = `24/6` = 3 Mik xin hay nhất ạ ! Bình luận
Bạn ơi câu trả lời đây nha cho mình 5 sao và hay nhất nha , mình chúc bạn học tốt ạ
a ) C1
`2/3` : `5/4` : `7/6`
= `8/15` : `7/6`
= `48/105`
C2
`2/3` : `5/4` : `7/6`
= `2/3` x `4/5` x `6/7`
= `8/15` x `6/7`
= `48/105`
b ) C1
`2/3` : `4/3` : `5/4`
= `6/12` : `5/4`
= `24/60` = `4/10` = `2/5`
C2
`2/3` : `4/3` : `5/4`
= `2/3` x `3/4` x `4/5`
= `6/12` x `4/5`
= `24/60` = `4/10` = `2/5`
c ) C1
2 : `2/3` : `3/4`
= `6/2` : `3/4`
= `24/6` = 3
C2
2 : `2/3` : `3/4`
= `2/1` x `3/2` x `4/3`
= `6/2` x `4/3`
= `24/6` = 3
Mik xin hay nhất ạ !