Question

1)48*57+52*57
2)145:5+455:5
3)6324:102+14076:102

Answer 1

1)48*57 + 52*57 = 2736 + 2964 = 5700;

2)145:5 + 455:5 = 29 + 91 = 120;

3)6324:102 + 14076:102 = 62 + 138 = 200.

Answer 2

1)5 700,2)2 304,3)200.