Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
74 * 34 * 78 * 23 * 23 * 30
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. +, -, +, -, =.
Given equation: 74 * 34 * 78 * 23 * 23 * 30
Option 3: +, -, +, -, =
After interchanging, the expression becomes:
74 + 34 - 78 + 23 - 23 = 30
131 - 78 - 23 = 30
30 = 30