Toán Tính bằng cách hợp lý 6/5:9/2+14/18×6/5+18/15 Giúp mình 17/10/2021 By Ivy Tính bằng cách hợp lý 6/5:9/2+14/18×6/5+18/15 Giúp mình
Ta có: 6/5 : 9/2 + 14/18 x 6/5 + 18/15 = 6/5 x 2/9 + 7/9 x 6/5 + 6/5 = 6/5 x (2/9+7/9+1) = 6/5 x ( 9/9 + 1) = 6/5 x (1+1) = 6/5 x 2 =12/5 Cho anh câu trả lời hay nhất nhé Trả lời
`6/5 : 9/2 + 14/18 × 6/5 + 18/15` `= 6/5 × 2/9 + 14/18 × 6/5 + 18/15` `= 6/5 × (2/9 + 14/18) + 18/15` `= 6/5 × (4/18 + 14/18) + 18/15` `= 6/5 × 1 + 18/15` `= 6/5 + 18/15` `= 6/5 + 6/5` `= 12/5.` Trả lời
Ta có: 6/5 : 9/2 + 14/18 x 6/5 + 18/15
= 6/5 x 2/9 + 7/9 x 6/5 + 6/5
= 6/5 x (2/9+7/9+1)
= 6/5 x ( 9/9 + 1)
= 6/5 x (1+1)
= 6/5 x 2 =12/5
Cho anh câu trả lời hay nhất nhé
`6/5 : 9/2 + 14/18 × 6/5 + 18/15`
`= 6/5 × 2/9 + 14/18 × 6/5 + 18/15`
`= 6/5 × (2/9 + 14/18) + 18/15`
`= 6/5 × (4/18 + 14/18) + 18/15`
`= 6/5 × 1 + 18/15`
`= 6/5 + 18/15`
`= 6/5 + 6/5`
`= 12/5.`