35
There are 77 different ways to add two positive whole numbers and get 155. Here are a few of them: 1 + 154 20 + 135 55 + 100 64 + 91 77 + 78
If you want to add two numbers and get 775, there are 194 different ways to do it IF you onlyuse positive whole numbers ... a lot more than that if you're allowed to use negative numbersand fractions.If you want to add three numbers and get 775, there are even more ways to do it.
Same rules as adding whole numbers with different signs.
7 7/12 plus 3 8/9
when you add mixed numbers you have a whole number but adding fraction does not.
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9 and 11
positive numbers
1+2+3+4+5
This follows from the way in which addition of whole numbers is defined.
no
Yes