搜题请搜索小程序“爱下问搜题”
问题 解答题
（1）-9+0.25-(-8)+
1
4

（2）-1+
1
3
×(-3)
（3）(
3
4
-
5
9
+
7
12
)÷(-
1
36
)
（4）-14-（-2）3+8÷0.25×（-2）2．
答案

（1）原式=-9+

1
4
+8+
1
4
=-
1
2
；

（2）原式=-1-1=-2；

（3）原式=（

3
4
-
5
9
+
7
12
）×（-36）

=

3
4
×（-36）-
5
9
×（-36）+
7
12
×（-36）

=-27+20-21

=-28；

（4）原式=-1+8+8×4×4

=-1+8+128

=135．

填空题

根据句意及图片的提示，补全单词或者短语

           (1)                         (2)                            (3)                              (4)                           (5)

1. Don't worry about our trip, we have already got __________ money.

2. What you said just now made our teacher __________ very much.

3. Can you tell me how to __________ my new friends?

4. The little girl shows a __________ smile before she makes a speech.

5. My sister doesn't like talking on the party.  She is a good __________.

6. The old man was ill last night, and he needed a __________(medicine) check in the hospital.

7. Liu Mei learns French by __________(她自己). We are all proud of her.

8. We have a lot of __________(confident) on our speech contest, so we are sure to win the first prize.

9. Would you please give us a __________(speak) in front of the whole school?

10. Don't wear your coat. It's __________(fair) hot today.
查看答案
多项选择题

曾某购买某汽车销售公司的轿车一辆，总价款20万元，约定分10次付清，每次两万元，每月的第一天支付。曾某按期支付六次共计12万元后，因该款汽车大幅降价，曾某遂停止付款。下列哪些表述是正确的( )

A．汽车销售公司有权要求曾某一次性付清余下的八万元价款

B．汽车销售公司有权通知曾某解除合同

C．汽车销售公司有权收回汽车，并且收取曾某汽车使用费

D．汽车销售公司有权收回汽车，但不退还曾某已经支付的12万元价款
查看答案