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3.6x0.25简便计算

1. 把0.25化为分数来进行简便运算,2. 利用4x0.25=1来进行简便运算.1. 把0.25化为分数来进行简便运算3.6*0.25 =3.6*1/4 =0.9,2. 利用4x0.25=1来进行简便运算3.6*0.25 =(4-0.4)*0.25 =4*0.25-0.4*0.25 =1-0.1 =0.9

3.6*0.25 =0.9*(4*0.25) =0.9*1 =0.9 你好,本题已解答,如果满意 请点右上角“采纳答案”.

3.6x0.25=0.9x4x0.25=0.9x(4x0.25)=0.9x1=0.9

简便计算3.6x0.25十25.2÷1.2=4*0,9*0,25+25,2÷6/5=4*0,25*0,9+25,2*5/6=0,9+21=21,9

3.6 x 5.4 x 0.25 =(4 x 0.25)x(0.9x 5.4 )=0.9 x 5.4 = 4.86把3.6分为4 x 0.25.因为4 x 0.25=1.常见的这两,4 x 25=100;125 x 8 =1000是一定要记住的.

3.6*0.25=3.6*1/4=0.9

3.6x0.25=0.9x(4x0.25)=0.90.36x6.5=0.36x6+0.36x0.5=0.3x6+0.06x6+0.36x0.5=1.8+0.36+0.18=2.16+0.18=2.3436x0.01=36/100=0.36

4.5x98=4.5x(100-2)=4.5x100-4.5x2=450-9=4413.6x0.25=0.9x(4x2.5)=0.9x1=0.97.5x102=7.5x(100+2)=7.5x100+7.5x2=750+15=765

=0.9x(4x0.25)=0.9x1=0.9

3.6x0.25=0.9x4x0.25=0.9x(4x0.25)=0.9x1=0.9

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