2又15分之7-(8.5-3分之1)/3.5*(4又20分之9+3.65)
2又15分之7-(8.5-3分之1)/3.5*(4又20分之9+3.65)
数学人气:494 ℃时间:2020-03-29 10:24:12
优质解答
37/15-(8.5-1/3)/3.5*(89/20+3.65)=37/15-(8.5-1/3)/3.5*8.1=37/15-8.5/3.5*8.1+1/3/3.5*8.1=493/30
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