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0.25乘4.78乘4的简便

原式=(0.25*4)*4.78=1*4.78=4.78 希望对你有帮助,满意请及时采纳,你的采纳是我回答的动力!

0.25*4.78*4=0.25*4*4.78=1*4.78=4.78

乘法结合律

0.25*4.78*0.8简便方法=0.25*(4*0.2)*4.78=0.25*4*0.2*4.78=1*0.2*4.78=0.956

0.25 x 4 = 1 x 4.78 = 4.78

0.25乘5.67乘4= 0.25乘4乘5.67= 1乘5.67= 5.67

0.25乘3.61乘4=0.25乘4乘3.61=1乘3.61=3.61

0.25乘4.83加4.17乘4,用不了简便方法如果是0.25乘4.83加4.17乘1/4 就可以用简便方法0.25乘4.83加4.17乘1/4=1/4*(4.83+4.17)=1/4*9=9/4=2又1/4

=0.25*4*3.86=1*3.86=3.86

简便计算3.29*0.25*4=3.29*(0.25*4)=3.29*1=3.29

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