-3-[-5+(1-2×3/5)÷(-2)]写清过程
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-3-[-5+(1-2×3/5)÷(-2)]写清过程-3-[-5+(1-2×3/5)÷(-2)]写清过程-3-[-5+(1-2×3/5)÷(-2)]写清过程-3-[-5+(1-2×3/5)÷(-2)]
-3-[-5+(1-2×3/5)÷(-2)]写清过程
-3-[-5+(1-2×3/5)÷(-2)]写清过程
-3-[-5+(1-2×3/5)÷(-2)]写清过程
-3-[-5+(1-2×3/5)÷(-2)]
=-3-[-5+(-1/5)×(-1/2)]
=-3-(-5+1/10)
=-3+5-1/10
=19/10
X*(1-2/3)+(24-X)*(1-3/5)=8.6 x-2/3x+48/5-2/5x=8.6 1=1/15x x=15
-3-[-5+(1-2×3/5)÷(-2)]
=-3-[-5+(1-6/5)÷(-2)]
=-3-[-5+(-1/5)÷(-2)]
=-3-[-5+1/10]
=-3+49/10
=49-30/10
=19/10
5/7÷[1÷(2/3-1/5)]
1÷(2÷3)÷(3÷4)÷(4÷5)怎么做
4^2÷(-1/4)-5^4÷(-5)^3,
1÷(2÷3)÷(3÷4)÷(4÷5)÷…÷(99÷100),计算
1÷(2÷3)÷(3÷4)÷(4÷5)÷.÷(1999÷2000)=
1+2+3+4÷5=?
1+2-3×4÷5=?
1+2-3×4÷5=
1+2-3×4÷5=
1÷2/1÷3/2÷4/3÷5/4÷……÷2006/2005
计算(-1)÷2+(-1/2)÷3+(-1/3)÷4+(-1/4)÷5+...+(-1/2010)÷2011
[-2*1/4+(-1/2)3]*(-2*2/3)+(-1*2/3)2÷5/3
能简算要简算3/5÷1/4÷6÷14/1523/25÷(3/4÷2/5)15/16÷(5/12÷5/8+3/8)
5÷(3分子1-2分子5-2)×6
5分之1÷{-4-【-3分之1-(1-0.4÷5分之3)×(-3)^2】}
x÷2=(3x-1)÷5
3/()÷2=()/4 ()/5÷()=1/15
27-5÷x=3÷2x-1,