(-60)÷(3/4+5/6-7/12+11/15)=?

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(-60)÷(3/4+5/6-7/12+11/15)=?

(-60)÷(3/4+5/6-7/12+11/15)=?
(-60)÷(3/4+5/6-7/12+11/15)=?

(-60)÷(3/4+5/6-7/12+11/15)=?
(-60)÷(3/4+5/6-7/12+11/15)=?
=(-60)÷(45/60+50/60-35/60+44/60)
=(-60)÷(104/60)
=(-60)×(60/104)
=-3600/104
=-450/13

(-60)÷(¾+5/6-11/15-7/12)(3/4+5/6-11/15-7/12)×(-60)(3/4+5/6-11/15-7/12)÷(-60) (-60)÷(3/4+5/6-7/12+11/15)=? (-60)÷(3/4+5/6-11/15-7/12)=? {4分之3+12分之7-6分之5}÷{-60分之1} 如何计算下列各题104又15/17÷(-12/13)-15又2/17÷(+12/13)-(-60)*|-1又4/9|÷|-13/7|*(-0.9)【-1/7+1/3-(-1/5)】÷(-1/105)(-1/30)÷(2/3-1/10+1/6-2/5)(-35)÷(-7/32)÷35÷(-4又4/7)(1/63)÷(1/9+2/7-1/3+1 (1)12÷6分之一÷7分之30 (2)5分之七7÷3分之4÷5分之7×3分之8 12道有理数计算(写步骤)!(-8/7)X0.25X(-1/4)X9(-3/2)-(+1/2)-(-5/6)-(-1/3)|5/6-5/7|-5/6-2/7-8X(1/6-5/12+3/10)X151/42÷(2/7+1/6-3/14+2/3)(-2/7-1/6+3/14+3/2)÷(-1/42)60X3/7-60X1/7+60X5/7-3÷(-2又2/3)÷(-1又1/8)(-3又1/2)÷(-1又1/4)÷8/5 求(7/12-1/5)*60 4/7*6/13+3/7*6/13 简算 60%×3/7+3/5÷7/4 30×(3/5+1/6-4/15)要简算, 6/7×5/9+4/9×6/7(简便计算) 0.8-(2/3+1/12)×8/9 5/6÷(6-5/12-7/12 (三分之一 - 四分之一)÷(—十二分之一)+(—27)÷(—3)=?(数学题).(—60)÷(3/4+5/6-11/15-7/12) 5/2÷[3/7×(4/3+7/12)] (9.3×5/6-7.3)÷9/4 (1/10-1/12+1/150÷1/60 11/14÷(7/14×2/7-2/7) 3/1÷(1-2/5)×1/10 1/3÷(2/3-2/5)×80%(9.3×5/6-7.3)÷9/4 (1/10-1/12+1/150÷1/60 11/14÷(7/14×2/7-2/7) 3/1÷(1-2/5)×1/10 1/3÷(2/3-2/5)×80% 马上要 简便计算10道5/9+11/15-4/9+4/15 3/5×6.75+4.25×60%+0.6 1.375×95+4×1.375+1.375 (3/4-1/2)÷3/4 12×3/8÷12×3/8 (18-3/7)÷9/7 1又3/4-3/4×2/3 3/8+5/8×4/15 2/9+1/2÷4/5+3/8 2-6/13÷9/26-2/3 (-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 (-2/3)×(-5/6)-(-3/4)÷(-4/9)+(-5/6+2/3)÷(-7/12)×7/2的运算过程. 1:1/5×[1/3÷(1/2+5/6)] 2:1-(1/6×2/5)÷7/9 3:12÷(1-31:1/5×[1/3÷(1/2+5/6)]2:1-(1/6×2/5)÷7/93:12÷(1-3/7)4:4/5×2/3-1/6÷1/25:(1/2+1/3)÷(1-3/8)6:[(1-3/5)×2/3]÷4 6/5÷(1/2-4/7*7/12)510÷[42*(5/6-3/7)](能简算的简算)