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(143x)÷13简便运算

将除数相同的项合并 =(9+11+6)÷13+(13+14)÷9 =26÷13+27÷9 =2+3

3.9x0.14/(2.1x0.13) =3.9/0.13x(0.14/2.1) =30x(2/

39000÷(13X125X8) =39000÷(125x8)÷13 =39000÷1000÷1

0.45×13÷0.15 =0.45÷0.15×13 =3×13 =39 你好,本题已解答,

196÷[11X(7/11-7/13)X13]的简便运算 =196÷(11x7/11x13-11x7

35x(24+224÷14) =35x24+35x224÷7÷2 =35x2x12+5x112

39000÷13÷(125×8) =3000÷1000 =3 希望能帮到你。

14.7,6.3,25.2都除以7再计算。

把这个式子变成36×,以14÷12=36÷12×17=3×14=42.

简便计算过程方法如下 解:(49x39)÷(7x13) =(49÷7)x(39÷13) =7x3

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