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32×1.25脱式计算

1.25×32×12.5%?脱式计算 1.25×32×12.5%? =1.25*8*4*0.125 =10*0.5 =5

32×1.25脱式计算 =1.25x8x4 =10x4 =40

2.5×1.25×32 =2.5×4×1.25×8 =10×10 =100

①2.5×1.25×32 =2.5×1.25×(4×8)=(2.5×4)×(1.25×8)=10×10=100 ②51×2443+51×1943=51×(2443+1943)=51×1=51③318÷58-159×127=258×85-149×97=5-2=3④0.65×201-0.65=0.65×(201-1)=0.65×200=130

1.25*(32+67+1)

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1.25x32 =1.25x8x4 =10x4 =40

32x2.5x1.25脱式计算 =8x4x2.5x1.25 =(8x1.25)x(4x2.5) =10x10 =100

①2×3.6+3.6×7+3.6,=3.6×(2+7+1),=3.6×10,=36;②1.25×32×25,=(1.25×8)×(25×4),=10×100,=1000;③5.42-(3.75-0.58),=(5.42+0.58)-3.75,=6-3.75,=2.25;④34.7-715+65.3-815,=(34.7+65.3)-(715+815),=100-1,=99;⑤78×1115×...

1.25×32×2.5 =(1.25×8)×(4×2.5) =10×10 =100 你好,本题已解答,如果满意 请点右上角“采纳答案”。

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