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17.5÷1.25÷0.08脱式计算

17.5÷1.25÷0.08脱式计算 =17.5÷(1.25x0.08) =17.5÷0.1 =175

(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.

5.44÷(1.25×0.8)=5.44÷1 0.4÷0.4×5×5=25 第二个没有简便方法

0.91÷0.8+1.25×1.08 =0.91×1.25+1.25×1.08 =(0.91+1.08)×1.25 =1.99×1.25 =2.4875

(1)2.1×0.4×5=2.1×(0.4×5)=2.1×2=4.2;(2)10.7-22.78÷3.4=10.7-6.7=4;(3)92.8÷8÷1.25=92.8÷(8×1.25)=92.8÷10=9.28.

92.8÷8÷1.25=11.6÷1.25=9.28

脱式计算 (1-0.8×1.25)÷0.01 =(1-1)÷0.01 =0÷0.01 =0

脱式: 20÷1.25 =20÷(5/4) =20÷5×4 =4×4 =16

7.86÷8÷1.25 =7.86÷(8*1.25) =7.86÷10 =0.786 【】125*8=1000,1.25*8=10

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