计算:(2a2b)3•b2﹣7(ab2)2•a4b.
解:原式=8a6b3•b2﹣7a2b4•a4b
=8a6b5﹣7a6b5
=a6b5.
This movie is ____ (exciting) of all.
涂色表示下面的分数.
45