Question

tìm x:

1 : 198 + x = 569

2 : 568 -x = 156

3 : x - 156 = 569

4 : x + 123 = 659

Answer 1

1: x = 371

2: x = 412

3: x = 725

4: x = 536

Answer 2

1) x= 371

2) x= 412

3)x= 725

4) X= 536