73.6*27 73.6*7349.2-0.5*0.5-8.72怎么脱式计算

2025-03-12 21:08:07
推荐回答(1个)
回答1:

73.6*27+ 73.6*73
=73.6*(27+73)
=73.6*100
=7360
49.2-0.5*0.5-8.72
=49.2-0.25-8.72
=48.95-8.72
=40.23