8.88ᘧ࿾3.7ᘧ࿾1.25用简便方法计算

2024-11-22 09:12:42
推荐回答(3个)
回答1:

8.88✖️3.7✖️1.25
=(8x1.25)x1.11x3.7
=10x1.11x4-10x1.11x0.3
=44.4-3.33
=41.07

回答2:

=(8*1.25+0.8*1.25+0.08*1.25)*3.7
=(10+1+0.1)*3.7
=10*3.7+1*3.7+0.1*3.7
=37+3.7+0.37
=40.7+0.37
=41.07

回答3:


41.07