Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17.

Question

need help on this numbers to do problems.

 

Answer 1

María, I have uded all of the operations and at least one set of parentheses for each expression. I hope this help can be useful to you.

6 + (4 x 7 ÷ 14 - 1) = 7

(2 x 5 + 6) - 9 ÷ 3 = 13

(4 + 2) x 5 - 39 ÷ 3 = 17