
1又3分之2+2又4分之3+3又5分之4+4又6分之5除以3又3分之1
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1又3分之2+2又4分之3+3又5分之4+4又6分之5除以3又3分之1
=5/3+11/4+19/4+29/5/(10/3)
=5/3+30/4+29/5*3/10
=5/3+30/4+87/50
=(20+90)/12+87/50
=55/6+87/50
=(55*25+87*3)/150
=1636/150
=818/75
=5/3+11/4+19/4+29/5/(10/3)
=5/3+30/4+29/5*3/10
=5/3+30/4+87/50
=(20+90)/12+87/50
=55/6+87/50
=(55*25+87*3)/150
=1636/150
=818/75
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