Question

Do it mentally and write the answers :
2 x 6 = —–
20 x 6 = ——
2 x 60 = ——
3 x 42 = ——
4 x 80 = ——
4 x 81 = ——
9 x 25 = ——
31 x 9 = ——

Answer 1

2 x 6 = 12
20 x 6 = 120
2 x 60 = 120
3 x 42 = 126
4 x 80 = 320
4 x 81 = 324
9 x 25 = 225
31 x 9 = 279