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(125乘99加125)乘16这道题怎么做?简便运算

=125×(37×8×2) =(125×8)×(37×2) =1000×74 =74000

=125×8×9 =1000×9 =9000

125*99+125*999-98*125= 125*99-98*125+125*999= 125*(99-98)+125*999= 125+125*999= 125*(999+1)= 125000

16×(125+1) =2×8×125+16×1 =2×1000+16 =2000+16 =2016

300÷125÷8=300÷(125×8)=300÷1000=0.3 396-96-172-28 =(396-96)-(172+28)= 300-200 = 100 125*24 = 125*8*3 = 1000*3 = 3000 26*15 = (20+6)*15 = 20*15 + 6*15 = 300+90 =390 25*99*4 = 25*4*99 = 100*99 = 9900 250*32 = 250*4*8 = 100...

125×80+125×8

如图

125×79 =125×(80-1) =125×80-125×1 =10000-125 =9875

原式 =(88x1000)÷125 =88x(1000÷125) =88x8 =80x8+8x8 =640+64 =704 供参考。

=1.25*16+0.125*16 =160/8+16/8 =20+2 =22

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