216x+34x=10
250x=10
x=10/250 hay x =1/25
Ko biết
(216+34) : x =10
250:x=10
x=25
Hong bt bạn ưi :3
ko biếtttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt
tự mà mần suy nghĩ đi học ko lo học lo đi hỏi mọi người là răng hây