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2.33 0.5 4简便计算

0.5*4=2 2.33*2=4.66

先用零点五乘4,再用2.33乘即可

2.33*0.5*4 =2.33*(0.5*4) =2.33*2 =4.66

2.33x(0.5x4)=2.33x2=4.66

用乘法结合律先算0.5乘4=2 再用2乘2.33=4.66

4.66

2.33*0.5*4 =4*0.5*2.33 =2*2.33 =4.66

2.33x0.5x4 =(2+0.33)x(0.33x4) =1x1.32 =1.32

2.33乘2

2.33*0.5*4=2.33*0.5*2*2=2.33*2*0.5*2=4.66*1=4.66

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