Difficulty: Easy
Correct Answer: = x +
Explanation:
Introduction / Context:We must choose three symbols that, when substituted in order, yield a correct equality. The placement of “=” divides left and right sides.
Given Data / Assumptions:
Concept / Approach:Testing Option B produces an immediately true equality.
Step-by-Step Solution:
Option B: s1 = “=”, s2 = “×”, s3 = “+”. Statement becomes 24 = 4 × 5 + 4.Right side: 4 × 5 + 4 = 20 + 4 = 24.Hence balanced.Verification / Alternative check:Other placements of “=” do not simplify to an identity with remaining symbols.
Why Other Options Are Wrong:
Common Pitfalls:
Final Answer:= x +
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