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1.5×0.98简便计算

1.5*(1-0.02)=1.5-0.03=1.47

4.8×0.98 =4.8x(1-0.02) =4.8-4.8x0.02 =4.8-0.096 =4.704

13.5×0.98 解:简便易算 =13.5x(1-0.02) =13.5x1-13.5x0.02 =13.5-0.27 =13.23 祝学习进步。

1.57x0.98 =1.57x(1-0.02) =1.57x1-1.57x0.02 =1.57-0.0314 =1.5386 谢谢,请采纳

4.02-3.5+0.98 =(4.02+0.98)-3.5 =5-3.5 =1.5 请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!谢谢管理员推荐采纳!! 朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明白,请追问。谢谢。

原式等于 7.5×(1-0.02) =7.5-0.15 =7.35 所以原式的结果为7.35

解: 25-25×0.98 =25×(1-0.98) =25×0.02 =0.5

4.5*0.98+9.8*0.55 =4.5*0.98+55*0.98 =(4.5+55)*0.98 =58.31

57×0.98=57×(1-0.02)=57×1-57×0.02=57-1.14=55.86

98x0.5 =(100-2)x0.5 =100x0.5-2x0.5 =50-1 =49

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