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1.2÷0.25怎样写简便计算

1.2÷0.25 =1.2÷1/4 =1.2x4 =4.8

1.2÷0.25 =(1.2×4)÷(0.25×4) =4.8÷1 =4.8

2.1÷0.25×4 =2.1×4÷0.25 =2.1×4×4 =8.4×4 =33.6

=1.2÷4 =0.3

=1.68*4+23.2*0.4 =1.68*4+2.32*4 =(1.68+2.32)*4 =4*4 =16

1.2÷0.25 =(1.2×4)÷(0.25×4) =4.8÷1 =4.8 你好,本题已解答,如果满意 请点右下角“采纳答案”。

28.6x10.1-2.86 解:简便计算 =28.6x10.1-28.6x0.1 =28.6x(10.1-0.1) 乘法分配律 =28.6x10 =286 4.12÷0.25-0.12×4 解:简便计算 =4.12x4-0.12x4 =4x(4.12-0.12) 乘法分配律 =4x4 =16 祝学习进步。

13.3÷0.25÷4×1.2 =13.3÷(0.25×4)×1.2 =13.3÷1×1.2 =15.93

=(1/2+1.05-1)x0.25 =0.55x0.25 =11/80

转为分数 1/(1/8)+2/(1/4)+3/(1/2)

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