Difficulty: Easy
Correct Answer: x x
Explanation:
Introduction / Context:
Pick two operations to make the equality hold. Try multiplication where a large result is needed, because 48 is much larger than 4 and 3 individually.
Given Data / Assumptions:
Concept / Approach:
The quickest way to 48 with 4, 3, and 4 is 4 × 3 × 4 = 12 × 4 = 48.
Step-by-Step Solution:
Verification / Alternative check:
Any use of “+” or “−” cannot reach as high as 48 starting from these small integers.
Why Other Options Are Wrong:
They evaluate to values different from 48 (e.g., 4 × 3 + 4 = 16).
Common Pitfalls:
Final Answer:
x x
Discussion & Comments