1/7*5/12+(5/12)/(7/5)=?要简算!
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1/7*5/12+(5/12)/(7/5)=?要简算!1/7*5/12+(5/12)/(7/5)=?要简算!1/7*5/12+(5/12)/(7/5)=?要简算!1/7*5/12+(5/12)/(7/
1/7*5/12+(5/12)/(7/5)=?要简算!
1/7*5/12+(5/12)/(7/5)=?要简算!
1/7*5/12+(5/12)/(7/5)=?要简算!
1/7*5/12+(5/12)/(7/5)
=1/7*5/12+5/12*5/7
=(1/7+5/7)*5/12
=6/7*5/12
=5/14
1/7*5/12+(5/12)/(7/5)=?要简算!
7/12×1/7+5/12÷7
1/7+5/7÷5/6+5/12简算
7-3×5/12
12+5-1.2-5+7
12分之7÷(1+7分之5)+12分之7×12分之5简算
(7X-5/3X)/12/5=12/1
5/12-1/6-5/6+7/12简便计算
1/4*(-5/3)+2/7*(-5/12)-5/12*5/7
5/9×7又5/12+1/9×1又7/12×5简便
1,12,3,10,5,8,7,(),()
7分之5减12分之1
(1/2-5/9+7/12)*(-36)
3/7+5/8-1/12:
(-36)*(1/4-5/9+7/12)
1/8+(7/8-5/12)=?
12-2/7-5/7和1/5-1.2*(3/4-7/12 )的简算
7分之1*12分之5+12分之5/5分之7 简算