Làm gấp giúp mình nha Ạ) x:8=3728 b) 2860:x =5 C) 4280-x=1915 D) x+812=1027+3678 lẹ nha
2 câu trả lời
$a/$
$x:8=3728$
$⇔x=3728×8$
$⇔x=29824$
$b/$
$2860:x=5$
$⇔x=2860:5$
$⇔x=572$
$c/$
$4280-x=1915$
$⇔x=4280-1915$
$⇔x=2365$
$d/$
$x+812=1027+3687$
$⇔x+812=4714$
$⇔x=4714-812$
$⇔x=3902$