下列运算正确的是( ).
A:a2·a3=a6
B:a23=a8
C:a2b3=a6b3
D:a6÷a2=a3
失____ 宇____
朱____ 宝____
靠卵繁殖后代的动物叫____。
—Yes. Some of them are good and the film Transformers: The Last Knight, is excellent.