Toán Tìm x: a. x= -1/2*4/3 b. x/5=5/6*(-30)/19. /= phần; *= phép nhân 06/09/2021 By Everleigh Tìm x: a. x= -1/2*4/3 b. x/5=5/6*(-30)/19. /= phần; *= phép nhân
$#Dino$ `a) x=-1/2xx4/3` `⇒x=-4/6=-2/3` ………………. `b) x/5=5/6xx(-30)/19` `⇒x/5=-25/19` `⇒x=(5.(-25))/19` `⇒x=-125/19` Trả lời
a) `x= -1/2 . 4/3` `=> x= -4/6` `=> x= -2/3` Vậy `x = -2/3` b) `x/5 = 5/6 . ( -30/19)` `=> x/5 = -150/114` `=> x/5= -25/19` `=> x= -25/19 .5` `=> x= -125/19` Vậy `x = -125/19` Trả lời
$#Dino$
`a) x=-1/2xx4/3`
`⇒x=-4/6=-2/3`
……………….
`b) x/5=5/6xx(-30)/19`
`⇒x/5=-25/19`
`⇒x=(5.(-25))/19`
`⇒x=-125/19`
a) `x= -1/2 . 4/3`
`=> x= -4/6`
`=> x= -2/3`
Vậy `x = -2/3`
b) `x/5 = 5/6 . ( -30/19)`
`=> x/5 = -150/114`
`=> x/5= -25/19`
`=> x= -25/19 .5`
`=> x= -125/19`
Vậy `x = -125/19`