4a+4a=?

4a+4a
=8a



抽佐a出來先:
a(4+4)
你接著找到Answer:
8a

4a + 4a =?
4a + 4a = 8a
4a + 4a = 4a x 2
所以4a + 4a = 8a

=8a~~

4a+4a
= (4+4)a
=8a

4a + 4a
= (4+4) a
= 8a

4a+4a=?
4+4=8
... =8a

the answser is 8a