(-1/30)/(1/3-1/5-1/15)
2个回答
(-1/30)/(1/3-1/5-1/15)
=(-1/30)/(1/3-1/5-1/15)
=(-1/30)/(1/15)
=-1/30*15
=-1/2
相关问题
(-30)÷(1/3-1/5-1/15)=?
(-1/15 )÷(-1/30 )-3/10 +(-1/30 )-(-6/5 )÷1/30
1+1/3+1/5+1/10+1/15+1/30
小华同学做了一道题:计算15/(1/5-1/3)=15/1/5-15/1/3=15*5-15*3=75-45=30,你认
计算:(1)(-1/15+2/3-5/6)×|-30|
30÷(1+1/3)x-15÷x=5
计算:3(√3-π)o-√30-√15/√5+(-1)^(2011)-1/√3+√2
1=5 2=15 3=30 4=60 5=?
15-30又1/4/2又1/5+1又5/21*8又3/5
Sn=1-3+5-7+…+(-1)^n-1(2n-1),则s15+s30=