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28乘以111加999乘以8

28乘111+999乘8=28乘111+111乘9乘8=111乘(28+72)=11100

28*111+999*8=28*111+111*9*8=28*111+111*72=(28+82)*111=100*111=11100

解:999乘8加111乘28 =999X8+111X28 =111X72+111X28 =111X(72+28) =111X100 =11100

64x111+999x4=64x111+111x36=111x(64+36)=111x100=11100

999乘以8+111乘以28=111*72+111*28=111*(72+28)=111*100=11100

=111(28+72)=11100

原式=999x8+111x28=111x9x8+111x28=111x72+111x28=111x(72+28)=111x100=11100供参考.

111*9*8+1000+111*28=111*72+1000+111*28=111*72+28*1000=11100000

11100.111乘28等于3108.999乘8等于7992,加起来等于11100.

28111+9998=28*+72*111=(28+72)*111=100*111=11100 再看看别人怎么说的.再看看别人怎么说的.

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