问题
解答题
化简 (1)2a2b+3a2b-
(2)(8a2b-5ab2)-2(3a2b-4ab2) |
答案
(1)原式=
a2b; 9 2
(2)原式=8a2b-5ab2-6a2b+8ab2=2a2b+3ab2.
化简 (1)2a2b+3a2b-
(2)(8a2b-5ab2)-2(3a2b-4ab2) |
(1)原式=
a2b; 9 2
(2)原式=8a2b-5ab2-6a2b+8ab2=2a2b+3ab2.