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4x25x3简便计算

16x(25x3)=4*4*25*3=(4*3)*(25*4)=12*100=1200

简便计算过程方法如下解:4x63x25=4x25x63=100x63=6300

125x16x3 =125x8x2x3 =1000x6 =6000

10.6x25=5.3x50=250+15=265

0.706

=78X(4X25) =78X100 =7800

简便计算过程方法如下解:4*13*(42-17)=4x13x25=4x25x13=100x13=1300

4X25X28=100X28=2800

4*25*3=100*3=300,=125*2*8*2=1000*4=4000,=125*8*70=1000*70=70000,=1468(679+32)=1468718=750

原式=1.24x4x25=1.24x100=124 再看看别人怎么说的.

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