问题
解答题
化简:3a3-(-5a2+3(a3+
|
答案
原式=3a3-(-5a2+3a3+2a2-1+4)+3
=3a3+5a2-3a3-2a2+1-4+3
=3a3-3a3+5a2-2a2+1-4+3
=3a2.
化简:3a3-(-5a2+3(a3+
|
原式=3a3-(-5a2+3a3+2a2-1+4)+3
=3a3+5a2-3a3-2a2+1-4+3
=3a3-3a3+5a2-2a2+1-4+3
=3a2.