2022-12-26 16:09
28.63 − 0.04 = 28.59
104.5 + 18.85 = 123.35
5.235 − 4.495 = 0.74
759 ÷ 33 = 23
867 ÷ 85 = 10.2
630 ÷ 24 = 26.25
竖式请见图:
123.456 + 20.15 = 143.606
99.12 − 87.98 = 11.14