几道数学题和英语题。。求助！！

2025-06-24 00:03:48

推荐回答（2个）

回答1：

数学题：
看做：1-2，3-4。。。99-100
实际上就是50个-1相加，结果为-50
英语：
D
isn't
is add
my ID card number

is her
clock ask eight

回答2：

1、后一个减前一个等于-1，共50个~~~所以等于-50
2、A
3、she is not a new student
4、plus plus
5、this is my ID card number
6、Green is his family name
7、is she a new student at school
8、clock ask eight