X + 524 = 2256 – 145 Bài 2 a) x + 5035 = 7110 b) x : 27= 63 c) X : 7 = 103d) 256 : X = 8

Bài 1

a) x + 524 = 2256 – 145

b) x – 714 = 1833 + 2187

c) x × 5 = 16 – 1

d) x : 4 = 12 : 2

Bài 2
a) x + 5035 = 7110
b) x : 27 = 63

c) X : 7 = 103

d) 256 : X = 8