A-A+
(1-2-132)-1(1-2-116)(1+2-116)(1+2-18)(1+2-14)(
问题详情
(1-2-
参考答案
原式=(1-2-132)-1[(1-2-116)(1+2-116)](1+2-18)(1+2-14)(1+2-12)
=(1-2-132)-1(1-2-18)(1+2-18)(1+2-14)(1+2-12)
=(1-2-132)-1(1-2-14)(1+2-14)(1+2-12)
=(1-2-132)-1(1-2-12)(1+2-12)
=(1-2-132)-1(1-2-1)
=12(1-2-132)-1.
故选A.
考点: