7 : (3/2 – 1/3)mu 2 bai nay la tinh gia tri bieu thuc Question 7 : (3/2 – 1/3)mu 2 bai nay la tinh gia tri bieu thuc in progress 0 Môn Toán Maris 4 years 2020-10-29T00:27:52+00:00 2020-10-29T00:27:52+00:00 2 Answers 82 views 0
Answers ( )
`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