用简便方法计算下面的题

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用简便方法计算下面的题用简便方法计算下面的题 用简便方法计算下面的题0.37*2.5*4=0.37*10=3.74.35*1.25*80=4.35*100=4350.372*0.4*50=0

用简便方法计算下面的题
用简便方法计算下面的题
 

用简便方法计算下面的题
0.37*2.5*4
=0.37*10
=3.7
4.35*1.25*80
=4.35*100
=435
0.372*0.4*50
=0.372*20
=7.44
102*3.6
=(100+2)*3.6
=360+7.2
=367.2
8.8*1.25
=1.25*(8+0.8)
=1.25*8+1.25*0.8
=10+1
=11
0.67*9.9
=0.67*(10-0.1)
=0.67*10-0.67*0.1
=6.7-0.06
=6.694