Question

1. Tìm X

a. 25,7 + X × 54,4 = 678,5

Answer 1

\(x\)x 54,4 = 25,7-678,5

\(x\)x 54,4= -652,8

\(x\)= -652,8 : 54,4

\(x\)= -12.

Tick mk nha bn!!!!!!!!!!!

Answer 2

hinh nhu la

X x54,4=678,5-25,7

X x 54,4=.......

X=......x54,4

luu y:...... la ket qua

mik giai the chac dung do vi mik hoc rui

neu thay dung thi tick cho mik nha