110 − 59 = 51
123 − 45 = 78
111 − 35 = 76
100 − 89 = 11
45 − 29 = 16
竖式请见图：
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
