Question

数学题和英语题，急急急急急急急急急急急急急急急

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=

Answer 1

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