16又3分之1+3又4分之1+3又2分之1+6.75简算
人气:196 ℃ 时间:2020-01-24 12:41:39
解答
16又3分之1+3又4分之1+3又2分之1+6.75
=49/3+3.25+7/2+6.75
=(49/3+7/2)+(3.25+6.75)
=56又5/6+10
=66又5/6
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