The answer to 5 times 3 is 15. This is so because if you add 5 plus 5 plus 5 , or 3 plus 3 plus 3 plus 3 plus 3, your answer would be 15. :)
3 + 5 + 9 + 5 + 5 + 5 + 5 + 6 + 4 = 37
19 is the answer to 3 plus 4 plus 4 plus 3 plus 5
2 + 5 + 3 + 3 = 13
2.5+3+5+5+6=21.5
Yes. 5 + 3 + 7 = 15 and 5 + 7 + 3 = 15
5 plus 3 plus 7 does equal 5 plus 7 plus 3; this is an example of the commutative property of addition. Therefore, the statement is true.
5 + (-3) + (-5) = -3
4 + 6 + 6 + 5 + 5 + 4 + 6 + 5 + 5 + 6 + 5 + 5 + 5 + 3 = 70
25
3*(-5)
Yes, -8 plus plus 3 equals -5. The "plus plus" is equivalent to a positive sign, so -8 plus (+3) equals -5.