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问题 单项选择题

银行费用率指标的计算方法是（）。

A.业务管理费，（营业收入-金融机构往来利息收入）×100％

B.业务管理费，（营业收入-营业支出）×100％

C.业务管理费，营业收入×100％

D.业务管理费／总成本×100％

答案

参考答案：A

改错题

短文中共有10处错误，错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏词符号(∧)，并在此符号下面写出该加的词。

删除：把多余的词用斜线( \ )划掉。

修改：在错的词下划一横线，并在该词的下面写出修改后的词。

注意：

1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者(从第11处起)不计分。

Tom finished his middle school half a year before and then he worked for a postman in his small town. As he was afraid of dogs, he often had a lot of troubles. One afternoon, he tried to take a post card to a bigger house by bike. When he reached the house and got off from his bike at the gate, at once a large dog came run at him with much noise. Tom quickly threw the card through the gate. With his surprise, the dog didn’t make any noise. It ran fast to a card, picked it up with its mouth, carried it towards the house. Tom thought for a while and said to him, “The dog is a better postman than I am.”
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解答题
计算：
（1）(
x2y
-z2
)3÷(
x3
-z
)
（2）(-
a2
b
)2•(-
b2
a
)3÷(-
b
a
)4
（3）(
a-b
ab
)2•(
-a
b-a
)3÷
1
a2-b2

（4）
16-m2
16+8m+m2
÷
m-4
2m+8
•
m-2
m+2
．
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