Toán 7 : (3/2 – 1/3)mu 2 bai nay la tinh gia tri bieu thuc 10/07/2021 By Sarah 7 : (3/2 – 1/3)mu 2 bai nay la tinh gia tri bieu thuc
`7:(3/2-1/3)^2`
`=7:(7/6)^2`
`=7:(7^2)/(6^2)`
`=\frac{7.6^2}{7^2}`
`=(6^2)/(7)`
`=(36)/7`
7 : ( 3/2-1/3)^2
= 7 : ( 9/6 – 2/6 )^2
= 7 : 7/6^2
= 7 : 49/36
=36/7