一箱12瓶橙汁48元，芳芳要买3瓶，需要多少元？_爱下问搜题

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问题解答题

一箱12瓶橙汁48元，芳芳要买3瓶，需要多少元？

答案

48÷12×3

=4×3

=12（元）

答：需要12元．

改错题

单句改错。此题要求改正所给句子中的错误。每行只有一个错误。请按下列要求改正：
此行多一词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。

1. Several tons of amber were used to making the Amber Room.
2. Do you know the reason for that he is so happy?
3. Since the 1970s many new applications have found for the computer.
4. He is good at English and he speaks English very fluent.
5. Congratulation to you on what you have achieved.
6. There are a great number books on science and technology.
7. They tried to hide in the reading rooms of libraries, and it was useless.
8. A monkey watched the carpet and Daisy as it rubbed themselves.
9. It is a great fun to cycle along the river.
10. Jim said that it was the first time he has eaten the fruit.

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单项选择题

甲企业下一年度预期销售收入为50万元，企业所处行业的平均销售利润率为11%，则该企业的目标成本应为( )。

A．34.5万元

B．45万元

C．44.5万元

D．52.5万元