[(10.75-4 11/12)×2 7/11]÷[(1.125+1/12)÷(2.25÷10 10/11)]

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[(10.75-4 11/12)×2 7/11]÷[(1.125+1/12)÷(2.25÷10 10/11)]
[(10.75-4 11/12)×2 7/11]÷[(1.125+1/12)÷(2.25÷10 10/11)]

[(10.75-4 11/12)×2 7/11]÷[(1.125+1/12)÷(2.25÷10 10/11)]
[(10.75-4 11/12)×2 7/11]÷[(1.125+1/12)÷(2.25÷10 10/11)]
=[(10¾-4 11/12)×2 7/11]÷[(1 1/8+1/12)÷(9/4÷120/11)]
=(5 10/12 ×2 7/11)÷[(9/8+1/12)÷(9/4÷120/11)] (把除法转化为乘法)
=70/12 ×29/11 ×24/29×4/9×11/120 (约分)
=14/27

太难了,看不出

4 11/12是4又12分子11吧?
[(10.75-4 11/12)×2 7/11]÷[(1.125+1/12)÷(2.25÷10 10/11)]
=[(43/4-59/12)X29/11]÷[(9/8+1/12)÷(9/4÷120/11)]
=[(129/12-59/12)X29/11]÷[(27/24+2/24)÷(9/4X11/120)]
=[(70/12)...

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4 11/12是4又12分子11吧?
[(10.75-4 11/12)×2 7/11]÷[(1.125+1/12)÷(2.25÷10 10/11)]
=[(43/4-59/12)X29/11]÷[(9/8+1/12)÷(9/4÷120/11)]
=[(129/12-59/12)X29/11]÷[(27/24+2/24)÷(9/4X11/120)]
=[(70/12)X29/11]÷[(29/24)÷(99/480)]
=[(35/6)X29/11]÷[(29/24)÷(33/160)]
=[(35/6)X29/11]÷[(29/24)X(160/33)]
=[(35/6)X29/11]÷[(29/8)X(20/33)]
=[(35/6)X29/11]X[(8/29)X(33/20)]
=(35/6)X(29/11)X(8/29)X(33/20)
=(35X29X8X33)/(6X11X29X20)
=(35X8X3X11)/(6X11X20)
=(5X8X3)/(6X20)
=(5X8)(2X20)
=1

收起

约等于-1.16978。分数为-34263/29290。不过估计是你把题打错了吧

[(10.75-4 11/12)×2 7/11]÷[(1.25+1/12)÷(2.25÷10 10/11)] [(10.75-4 11/12)×2 7/11]÷[(1.125+1/12)÷(2.25÷10 10/11)] 数学题!1.{(10.75-4又12分之11×2又11分之7}÷{(1.0125+12分之1)÷(2.25÷10又11 再问几道简算一.9.72X0.72+0.915X1.2+0.1487X28二.「(10.75-4又11/12)X2又7/11」除以「(1,125+1/12)除以(2.25除以10又10/11)」 连问两次.1.{(7又1/13+2.4÷6又2/5)+2又5/8}x52.{(10.75-4又11/12)x2又7/11}÷{(1.125+1/12)÷(2.25÷10又10/11)}3.1/(4x7)+1/(7x10).+1/(100x103)4.1-5/6+7/12-9/20+11/30-13/42+15/56-17/72+19/905.(46-1/7)x1 第一题有空格的是带分数1) [﹙10.75-4 11/12﹚×2 7/11]÷[﹙1.125+1/12﹚÷﹙2.25÷10 10/11﹚] 2) 1/﹙4×7﹚+1/﹙7×10﹚+……+1/﹙100×103﹚3) 1-5/6+7/12-9/20+11/30-13/42+15/56-17/72+19/904) ﹙1/11+1/ 分数运算和方程咋做1、12又5/6+3又4/5-2又1/5=2、5又3/4+7又3/5+1.25-5.6=3、5又1/2÷2.2×1又3/7=解方程:1、x+5又2/3=7.22、x-10.75=2又11/203、x-3又5/7=2又8/25-1.82 [(10.75-12/59)*11/29]/[(1.125+12/1)/(2.25/11/120)] [(10.75-12/59)*11/29]/[(1.125+12/1)/(2.25/11/120)]用简便算法, 急求答案:[(10.75-59/12)×29/11]÷[(1.125+1/12)÷(2.25÷120/11]还有:1×3×24+2×6×48+3×9×72 ————————————=? 1×2×4+2×4×8+3×6×12“——————”为分数线 7又13/15×4/11+12×1/11+2/11×4/15简便计算, 能简算的要简算 (3)11/12×5/7+11/12×2/7 (4)7/8×15+7/8(3)11/12×5/7+11/12×2/7(4)7/8×15+7/8 1 2 4 7 3 4 5 7 2 4 12 12 1 11 12 131 2 4 7 3 4 5 7 2 4 12 12 1 11 12 13 四组数字算24 3/2 ×(-11)- 4/3×11- 7/6 ×23+ 7/6×12 谁能告诉我这100个数字里 12各有几个12,12,3,12,12,11,12,10,12,9,7,12,8,12,5,10,11,5,11,7,11,10,11,11,3,11,11,11,12,12,12,12,2,2,12,4,12,12,12,12,12,12,9,12,9,12,12,10,12,12,12,8,11,11,11,11,1,12,12,10,4,12,12,9,12,12,12,12,12,8,12,5,12,12 2/5+4/7+5/6+7/12+9/20+11/30+12/35+19/42 2/5+4/7+5/6+7/12+9/20+11/30+12/35+19/42 (2/5+3/4)-x=11/20求解 x-2/11-9/11=3又7/12求解