-1/60÷(1/3+1/4-1/5)=?
[1/24÷(-1有1/4)]×(-5/6)÷(3有1/6)-0.25÷1/1=------要写过程
计算过程错误的,请指出原因.计算60÷(1/4-1/5+1/3)=60÷1/4-60÷1/5+60÷1/3=120
(-1/3+1/4-1/5)÷(-1/60)计算
1/2÷【(1/4-1/5)×6】
简算(1+1÷2+1÷3+1÷4)×(1÷2+1÷3+1÷4+1÷5)-(1+1÷2+1÷3+1÷4+1÷5)×(1÷2
12÷(3/4÷1/5) = =
2/15÷(1.1-3/4)+1/5X3/5
60分之1÷﹙4分之1-5分之1+3分之1﹚=?
简算:(1+1/3+1/5+1/10+1/15+1/30)÷(1/2+1/4+1/6+1/12+1/20+1/60)=?
(1+1/3+1/5+1/10+1/15+1/30)÷(1/2+1/4+1/6+1/12+1/20+1/60)
(-23又4/17)÷(-3又1/5)+54又3/17÷3.2-(-13又7/17)÷(-16/5)=?
4分之3÷6= 15×5分之3= 2分之1÷2分之1-3分之1乘3分之1= (6分之1+8分之1)×24=