0.365*640+3又1/3*36.5+365*0.01
是3又3分之1,不准改
人气:266 ℃ 时间:2020-06-22 13:34:06
解答
0.365×640+10/3×36.5+365×0.01=0.365×(640+1000/3+10)=0.365×2950/3=1076.75/3=4307/12
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