负一的二次方减一又七分之三加负十二除以六的商乘负四分之三的三次方.

题目

负一的二次方减一又七分之三加负十二除以六的商乘负四分之三的三次方.

答案

﹛[﹙-1﹚^-2-10/7+﹙-12﹚]÷6﹜·﹙-3/4﹚³
=[﹙1-10/7-12﹚×1/6]·﹙-27/64﹚
=[﹙-3/7-12﹚×1/6]×﹙-27/64﹚
=﹙-1/14-2﹚×﹙-27/64﹚
=-29/14×﹙-27/64﹚
=783／896