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1.5×0.98简便计算

50×0.98 =50×(1-0.02) =50×1-50×0.02 =50-1 =49 谢谢,请采纳

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。

98*0.51 =(100-2)*0.51 =51-1.02 =49.98

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

您好: 4.8乘0.98 =4.8x(1-0.02) =4.8x1-4.8x0.02 =4.8-0.096 =4.704 ~如果你认可我的回答,请及时点击【采纳为满意回答】按钮~ ~手机提问者在客户端右上角评价点【满意】即可。 ~你的采纳是我前进的动力~~ ~如还有新的问题,请另外向我求助,答...

0.98*4.75简便计算 0.98*4.75 =(1-0.02)*4.75 =1*4.75-0.02*4.75 =4.75-0.095 =4.655

详细步骤写在纸上了

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

6.5×0.98-9.8×0.55 =0.98×(6.5-10x0.55) =0.98x(6.5-5.5) =0.98×1 =0.98 谢谢,请采纳

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