Question

My brother needs help:Pls explain to him

Answer 1

Answer:

187

Step-by-step explanation:

if its hard adding big numbers like this break it down first add 80 and 90 witch is 170 and then add 8 and 9 witch is 17 and then add 170 and 17 and then you have your answer!

Your welcome! :3

Answer 2

Answer:

2) 106

4) 100

6) 103

8) 109

10) 151

12) 107

13) 187

14) 160

15) 97

16) 105

Step-by-step explanation:

Addition means to put it or add. When adding, you can do it mentally, or algorithm.

Example:

                 61

               +36

                ___

                 97

You can also do of what it's called as a distributive property. What this does is makes your equation easier. If we were doing 61+36, simply do this:

60+1+30+6. You can add the greater numbers first and the smaller after.

Hope this helped. Please rate it.