[1-(1/5+2/3)×4/13]÷11/20(1/8+1/6)÷5/24-2/3×1/4
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[1-(1/5+2/3)×4/13]÷11/20(1/8+1/6)÷5/24-2/3×1/4[1-(1/5+2/3)×4/13]÷11/20(1/8+1/6)÷5/24-2/3×1/4[1-(1/5+
[1-(1/5+2/3)×4/13]÷11/20(1/8+1/6)÷5/24-2/3×1/4
[1-(1/5+2/3)×4/13]÷11/20
(1/8+1/6)÷5/24-2/3×1/4
[1-(1/5+2/3)×4/13]÷11/20(1/8+1/6)÷5/24-2/3×1/4
【1-(1/5+2/3)*4/13】/ 11/20
=(1-13/15x4/13)x20/11
=(1-4/15)x20/11
=11/15x20/11
=4/3
(1/8+1/6)/5/24-2/3*1/4
=7/24x24/5-1/6
=7/5-1/6
=42/30-5/30
=37/30
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4/5÷[(2/3+1/5)×8/13] 简算
1/3÷12/13×12/13÷4 【1-0.8÷(2/15+2/3)】÷7/13
1/4÷(3-5/13-8/13)简便计算
39÷(-3)×13分之2÷1/4
[1-(1/4-0.1÷2)]×5/13
计算(-1)÷2+(-1/2)÷3+(-1/3)÷4+(-1/4)÷5+...+(-1/2010)÷2011
[1-(1/5+2/3)×4/13]÷11/20(1/8+1/6)÷5/24-2/3×1/4
3.71/33.761+(2/1+5/1)*(8/13-56/19)】*18.2÷(2/1+3/1+4/1)=
(-0.5)-(-3又1/4)+2.75-(+7又1/2)-2又1/2÷1又1/4*(-4)60÷(-1/2+1/3+1/5){30-(7/9+5/6-11/12)*36}÷(-5)(3-3又1/2)÷4*1/2-1的4次方-(1-0.5)*1/3*{1-(-2)²}(-4/5)*5/13-(-3/5)*(-5/13)-5/13*(-1又3/5
4^2÷(-1/4)-5^4÷(-5)^3,
1÷(2÷3)÷(3÷4)÷(4÷5)怎么做
-13÷2*3÷(-1/3)÷(-5)×(-1^8)=?、、
简便方法计算.(1/4-0.1÷2)*5/13+1÷1又1/12 25*1/3*2/5*3/10
1÷(2÷3)÷(3÷4)÷(4÷5)÷…÷(99÷100),计算
1÷(2÷3)÷(3÷4)÷(4÷5)÷.÷(1999÷2000)=
(1)2/3 ÷ 5 + 5 ÷ 2/3(2)5 × 5/6 + 5/6 × 5(3)3/8 × 68 - 1/8 ÷ 1/68(4)( 26 ÷ 13/24 ) ÷ 13(5) 1又3/5 - 5/12 × ( 1/4 - 1/2 × 1/2)(6) 4/15 ×( 5/7 - 3/14 ÷ 3/4 )(7) 11/15 + ( 3/4 - 2/3 )÷ 1/5(8)
能简算要简算:30×(4/5+5/6)=?2/15×3+13/15÷1/3=?
48÷【(-6)-4】 、 (-81)÷(+3又1/4)*(-4/9)÷(-1又1/13)2/5÷(-2又2/5)-1/28*(-1又3/4)-0.75