6/7+5/8:5-3/6.(2)mũ 2. Các bn giúp ik vs 15/11/2021 Bởi Alexandra 6/7+5/8:5-3/6.(2)mũ 2. Các bn giúp ik vs
6/7 + 5/8 : 5 – 3/6 . 2^2 = 6/7 + (5/8 .1/5) – (3/6 . 4) = 6/7 + 1/8 – 2 = 48/56 + 7/56 – 28/56 = 53/56 Bình luận
`6/7+5/8:5-3/(6 .(2)^2)`
`=6/7+5/8:5-3/24`
`=6/7+1/8-3/24`
`=48/56=6/7`
6/7 + 5/8 : 5 – 3/6 . 2^2
= 6/7 + (5/8 .1/5) – (3/6 . 4)
= 6/7 + 1/8 – 2
= 48/56 + 7/56 – 28/56
= 53/56