Toán Lớp 7: ( 2×+1)^3=343
Mình cần gấp mong mọi ng giúp đỡ
Thank you!@!!!
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 7: ( 2×+1)^3=343
Mình cần gấp mong mọi ng giúp đỡ
Thank you!@!!!
Comments ( 2 )
$⇒(2x+1)^3=7^3$
$⇒2x+1=7$
$⇒2x=6$
$⇒x=3$
Vậy $x=3$