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4.8%4.8X0.5的简便计算.

4.8-4.8X0.5 =4.8x(1-0.5) =4.8x0.5 =2.4 祝天天向上。

4.8-4.8x0.5 =4.8-2.4 =2.4

0.25*4.8*0.5 =0.25X4X0.6X0.5 =1X0.3 =0.3

5.2

0.89(4.8+5.2)=8.9

4.8-0.23/(0.5x2) =4.8-0.23/1 =4.8-0.23 =4.57 如有帮助请采纳, 如对本题有疑问可追问,Good luck!

14.8-4.8加括号分别乘0.5,再用14.8×0.5的结果减去4.8×0.5的结果就得出最后结果了。

4.8x0.5=4x0.5+0.8x0.5=2.4 2.95X0.125x0.4=2.95x[(0.1+0.025)x0.4]=2.95x[0.1x0.4+0.025x0.4]= 9X4.5十0.45= 44x2.5=(40+4)x2.5=40x2.4+4x2.5= 0.67X19.9=0.67x(20-0.1)=0.67x20-0.67x0.1= 15.92X5.3十15.92X4.7=15.92x(5.3+4.7)=15.92x10=

4.82-5.2÷0.8x0.6 =4.82-5.2*3/4 =4.82-15.6/4 =4.82-3.9 =4.82-4+0.1 =0.92

4.8 5.2除于0点4的简便计 4.8 5.2除于0点4 =4.8+5.2÷0.4 =4.8+13 =17.8

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