1.
(1)亿,十亿,千亿(2)亿,十一
(3)十,十亿,十亿,亿,亿
(4)30700000000(5)100000000
2.
700300000000 730000000000
3.略。
4.
27 1009
270000 10090000
2700000000 100900000000
5.
1300000000 8900000000
6.
(1)10000000000 11000000000
(2)19900000000 19800000000
(3)46200000000 47200000000