Toán Lớp 4: Tìm x:
a) 1200 : 24 – ( 17 – x) = 36 b) 9 × ( x + 5 ) = 729
Leave a reply
Register Now
Login
Lost Password
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Toán Lớp 4: Tìm x:
a) 1200 : 24 – ( 17 – x) = 36 b) 9 × ( x + 5 ) = 729
Comments ( 2 )
$1200:24-(17-x)=36$
$50-(17-x)=36$
$17-x=50-36$
$17-x=14$
$x=17-14$
$x=3$
b,
$x+5=729:9$
$x+5=81$
$x=81-5$
$x=76$