(-3)的2次方-(1又1/2)x2/9-6÷|-2/3|的3次方
问题描述:
(-3)的2次方-(1又1/2)x2/9-6÷|-2/3|的3次方
答
原式=9--(1/3)--6除以(8/27)
=9--(1/3)--6x(27/8)
=9--(1/3)--(81/4)
=(108/12)--(4/12)--(243/12)
=139/12.