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0.25 4.78 4简便计算

使用简便算法计算0.25x4.78x4=0.25x4x4.78=1x4.78=4.78 以上通过乘法交换律进行简便计算全过程,如有帮助望采纳

原式=(0.25x4)x4.78=1x4.78=4.78 供参考.

0.25 x 4 = 1 x 4.78 = 4.78

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

你好!0.25*3.88*4=0.25*4*3.88=1*3.88=3.88希望我的回答对您有帮助,有问题可以追问.满意请及时采纳,谢谢!记得给问豆啊!

0.25*4*98 =0.25*4*98 =1*98 =98

0.25*8.4*4=(0.25*4)*8.4=1*8.4=8.4

①0.25*4.78*4,=0.25*4*4.78,=1*4.78,=4.78;②65*201,=65*(200+1),=65*200+65*1,=1300+65,=1365;③17*23-23*7,=(17-7)*23,=10*23,=230.

运用乘法分配律: (0.25+2.5)*4 =0.25*4+2.5*4 =1+10 =11

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