Toán Lớp 4: Tìm y biết: y x 4 + y x 5 + y = 140 *
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 y biết: y x 4 + y x 5 + y = 140 *
Comments ( 2 )
y xx 4 + yxx5+y=140
yxx(4+5+1)=140
yxx10=140
y=140:10
y=14
Vậy y=14
y xx 4 + y xx 5 + y = 140
y xx (4 + 5 + 1) = 140
y xx 10 = 140
y = 140 : 10
y = 14
Vậy y = 14