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数学
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简便计算:9.81*10%+1/2*98.1+0.049*981 (注:其中1/2分式)
人气:119 ℃ 时间:2020-02-03 09:07:52
解答
9.81*10%+1/2*98.1+0.049*981
=98.1*0.01+0.5*98.1+0.49*98.1
=98.1*(0.01+0.5+0.49)
=98.1*1
=98.1
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9.81*0.1+0.5*98.1+0.049*981的简便计算
9.81×0.1+0.5×98.1+0.049×981.
9.81*0.1+98.1*0.5+981*0.49的简便运算
9.81×0.1+0.5×98.1+0.049×981.
9.81×0.1+0.5×98.1+0.049×981.
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