把89米长的电线平均剪成4段，求每段长是几米的算式是______，或_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题填空题

把

8

9

米长的电线平均剪成4段，求每段长是几米的算式是______，或是______．

答案

8

9

÷4=

2

9

（米）；

8

9

×

1

4

=

2

9

（米）．

答：每段长

2

9

米．

故答案为：

8

9

×

1

4

=

2

9

（米），

8

9

×

1

4

=

2

9

（米）．

补全对话，情景问答

根据对话内容，从方框中选出能填入空白处的最佳句子。

A: Good morning! 1
B: Yes. 2            I think I wear size six.
A: The white gloves are on this side. Let's see … 3            These are
     very nice, and they are easy to wash, too.
B: Oh, I'll try them on. Hmmm … they seem to fit. 4
A: Five dollars and twenty cents.
B: All right. 5            Here's six dollars.
A: OK. Here's your change.
B: Thank you.

A. What can I do for you?
B. Here's a size six.
C. What do you think of them?
D. I'll take them.
E. I am looking for a pair of white gloves.
F. Can I help you?
G. How much are they?

单项选择题

（）在有效数字中有两种意义：一是作为数字定位，另一是为有效数字。

A、100

B、10

C、1

D、0