Form an expression that evaluates to 24 that contains two 3's, two 7's, and zero or more of the operators +, -, *, and /, and parentheses.

arithmetic/digits/equations/24

Problem

Form an expression that evaluates to 24 that contains two 3's, two 7's,
and zero or more of the operators +, -, *, and /, and parentheses.  What
about two 4's and two 7's, or three 5's and one 1, or two 3's and two 8's?

Show solution

7*(3+3/7)
7*(4-4/7)
5*(5-1/5)
8/(3-8/3)