(写出计算过程)12÷(5分之3+3分之2)=?12÷【5分之3×(3分之4-1)】=?
问题描述:
(写出计算过程)12÷(5分之3+3分之2)=?12÷【5分之3×(3分之4-1)】=?
答
12/(3/5+2/3)=12*5/3+12*3/2=20+18=38
12/【3/5*(4/3-1)】=12/(3/5*1/3)=12/(1/5)=12*5=60
答
12/(3/5+2/3)=12/(9/15+10/15)=12/(19/15)=12*15/19=180/19
12/[3/5*(4/3-1)]=12/{3/5*1/3]=12*1/5=12/5
答
12÷(5分之3+3分之2)=?
=12÷(9/15+10/15)
=12×15/19
=180/19;
12÷【5分之3×(3分之4-1)】=?
=12÷(3/5×(1/3))
=12÷(1/5)
=60;
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