已知10m=4,10n=5,求103m+2n的值.
∵10m=4,10n=5,
∴103m+2n=x3m+2n=(10m)3•(10n)2=(4)3×(5)2=1600.
我给句子排排队。
1. Where are they?
2. Nice to meet you.
3. This is my mother. She's a teacher.
4. Come and meet my family.
5. They are in the kitchen.
6. Nice to meet you, too.
7. What would you like?
8. I'd like an apple.
正确的顺序:
预计某宗房地产未来第一年的有效毛收入为50万元,运营费用为20万元,此后每年的有效毛收入会在上一年的基础上增长8%,运营费用增长5%,收益期限可视为无限年,该类房地产的报酬率为10%。则该宗房地产的收益价格为( )万元。
A.2500B.400C.2100D.2900