数学题和英语题,急1.This is a good book.改为一般疑问句2.It's a pencil in Eng

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数学题和英语题,急

1.This is a good book.改为一般疑问句

2.It's a pencil in English.对pencil提问---____ ____it in English?

3.That is a bus.改为复数句

4.Are these apples?改为单数句

5.Those are bags.对bags提问-----______ ______those?

6.not,this,my,school,is 连词成句

7.1/2+1/2的二次方+1/2的三次方+1/2的四次方+.+1/2的n次方的值是多少

8.将十进制数25换算成为二进制数应该为

9.1+2+3+.+99+100+99+.+3+2+1=

优质解答：

1.Is there a good book?

2.how say

3Those are many buses

4.Is this a apple?

5.What are those

6.My school is not this

7.1- 1/2的n次方

8.11001

9.10000

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