问题
解答题
计算:(-2a-2)3b2÷2a-8b-3
答案
原式=-8a-6b2÷2a-8b-3
=-8×
×b2÷(2×1 a6
×1 a8
)1 b3
=
÷-8 b2 a6 2 a8b3
=
×-8 b2 a6 a8b3 2
=-4a2b5.
计算:(-2a-2)3b2÷2a-8b-3
原式=-8a-6b2÷2a-8b-3
=-8×
×b2÷(2×1 a6
×1 a8
)1 b3
=
÷-8 b2 a6 2 a8b3
=
×-8 b2 a6 a8b3 2
=-4a2b5.