a, 0,5 . căn 400 + căn 1/4 – căn 1/9 b, ( 3/4 – 1/2 + 1/3 ) ^2 . 144/15 giup voi aaaaa 05/12/2021 Bởi Sarah a, 0,5 . căn 400 + căn 1/4 – căn 1/9 b, ( 3/4 – 1/2 + 1/3 ) ^2 . 144/15 giup voi aaaaa
`a)` `=0,5×20+1/2-1/3` `=10+1/2-1/3` `=21/2-1/3` `=61/6` `b)` `=(7/12)^2×144/15` `=49/144×144/15` `=49/15` Bình luận
`a)`
`=0,5×20+1/2-1/3`
`=10+1/2-1/3`
`=21/2-1/3`
`=61/6`
`b)`
`=(7/12)^2×144/15`
`=49/144×144/15`
`=49/15`