用英语列出下列算式。 1. 3+ 5= 8 2. 4+ 6= 10 3. 1

问题：

用英语列出下列算式。

1. 3 + 5 = 8                                                                               

2. 4 + 6 = 10                                                                              

3. 13 + 9 = 22                                                                         

4. 21 + 14 = 35                                                                       

5. 23 + 7 = 30                                                                         

6. 99 + 1 = 100