(6/5+9/11+1又5/7)/(3/11+2/5+4/7)简便计算
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(6/5+9/11+1又5/7)/(3/11+2/5+4/7)简便计算(6/5+9/11+1又5/7)/(3/11+2/5+4/7)简便计算(6/5+9/11+1又5/7)/(3/11+2/5+4/7
(6/5+9/11+1又5/7)/(3/11+2/5+4/7)简便计算
(6/5+9/11+1又5/7)/(3/11+2/5+4/7)简便计算
(6/5+9/11+1又5/7)/(3/11+2/5+4/7)简便计算
(6/5+9/11+1又5/7)/(3/11+2/5+4/7)
= (9/11+6/5+12/7)/(3/11+2/5+4/7)
=3x(3/11+2/5+4/7)/(3/11+2/5+4/7)
=3