Which two signs should be interchanged to make the following equation correct?36 − 12 ÷ 3 × 2 + 18 = 26
A. × and ÷
B. + and −
C. − and ÷
D. + and ×
A. × and ÷
B. + and −
C. − and ÷
D. + and ×
Best answer
Answer: B. + and −
Answer: (B) + and −
Interchanging + and − gives \(36 + 12 \div 3 \times 2 - 18 = 26\).
By BODMAS the left side is 26, which equals the right side.
None of the other interchanges makes the two sides equal.
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