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24.3%4.5+3.2x0.8怎么简算

24.3%4.5+3.2x0.8怎么简算 24.3%4.5+3.2x0.8 =24.3÷4.5+3.2*0.8 =5.4+2.56 =7.96

=3.2×8+6.8×8 =(3.2+6.8)×8 =10×8 =80

0.8X3.2X4 =3.2X3.2 =3.2X3+3.2X0.2 =9.6+0.64 =10.24

3.2×0.2+0.8简便运算 3.2×0.2+0.8 =0.64+0.8 =1.44 直接计算 没有简便

递等式

可以 3.2÷0.25x125x0.8 =(3.2÷0.25)×(125×0.8) =12.6×100 =1260

3.2+ 0.8x(10-8.75) =3.2+ 0.8x1.25 =3.2+ (1-0.2)x1.25 =3.2+ 1.25-0.25 =4.2 希望能够帮到你。

第一个用(0.5×0.8 )×0.24

(1)17.4÷0.8÷1.25,=17.4÷(0.8×1.25),=17.4÷1,=17.4;(2)1.8÷0.2÷0.3,=1.8÷(0.2×0.3),=1.8÷0.06,=30;(3)24÷O.6+0.6÷24,=40+0.025,=40.025;(4)17.94÷3.9+5.3×0.4,=4.6+0.12,=4.72.

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