In how many ways by using number 1 to 7 and + operator, you can make the number as 100?

Question

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

Answer 1

1. 76 + 24 = 100
2. 74 + 26 = 100
3. 57 + 43 = 100
4. 53 + 47 = 100.