Question

Tính nhanh : 48/41 + 45/27 + 34/28 + 37/23 - 18/27 - 6/28 - 7/41 - 14/23

Answer 1

48/41 + 45/27 + 34/28 + 37/23 - 18/27 - 6/28 - 7/41 - 14/23

= (48/41 - 7/41) + (45/27 - 18/27) + (34/28 - 6/28) + (37/23 - 14/23)

= 1 + 1 + 1 + 1

= 4