MathDB
operations +, -, * are used once, find a possible result

Source: 1993 AMC 8 Problem 12

June 28, 2011
AMC

Problem Statement

If each of the three operation signs, ++, -, ×\times , is used exactly ONCE in one of the blanks in the expression
54635\hspace{1 mm}\underline{\hspace{4 mm}}\hspace{1 mm}4\hspace{1 mm}\underline{\hspace{4 mm}}\hspace{1 mm}6\hspace{1 mm}\underline{\hspace{4 mm}}\hspace{1 mm}3
then the value of the result could equal
(A) 9(B) 10(C) 15(D) 16(E) 19\text{(A)}\ 9 \qquad \text{(B)}\ 10 \qquad \text{(C)}\ 15 \qquad \text{(D)}\ 16 \qquad \text{(E)}\ 19