1/4*39+3/4*25+26/4*3/13怎么简便计算

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1/4*39+3/4*25+26/4*3/13怎么简便计算1/4*39+3/4*25+26/4*3/13怎么简便计算1/4*39+3/4*25+26/4*3/13怎么简便计算大神在此.=1/4×(40

1/4*39+3/4*25+26/4*3/13怎么简便计算
1/4*39+3/4*25+26/4*3/13怎么简便计算

1/4*39+3/4*25+26/4*3/13怎么简便计算
大神在此.
=1/4×(40-1)+3/4×(24+1)+26/4*3/13
=10-1/4+18+3/4+6/4
=28+2
=30
望采纳,!(^-^)

=39/4+75/4+6/4
=(39+75+6)/4
=120/4
=30

=39/4+75/4+6/4
=(39+75+6)/4
=120/4
=30

=39/4+75/4+6/4
=(39+75+6)/4
=120/4
=30