Question

用竖式计算 57×53	51.3-38.7	72×29
47×32	370×38	48.7﹢23.6．

Answer 1

57×53=3021

5 7 × 5 3

1 7 1 2 8 5 3 0 2 1

51.3-38.7=12.6

5 1． 3 - 3 8． 7

1 2． 6

72×29=2088

7 2 × 2 9

6 4 8 1 4 4 2 0 8 8

47×32=1504

4 7 × 3 2

9 4 1 4 1 1 5 0 4

370×38=14060

3 7 0 × 3 8

2 9 6 1 1 1 1 4 0 6 0

48.7﹢23.6=72.3

4 8． 7 + 2 3． 6

7 2． 3