Question

2007-1898

1. A.
   2323
2. B.
   109
3. C.
   10125
4. D.
   6633

Answer 1

B
2007-1898=2007-2000+102=7+102=109选B．或2007-1898=2007-1900+2=107+2=109选B．(答案不唯一)