Mathematics · Mathematical Operations
Which two numbers (not digits) and which two signs should be interchanged to yield the value 'zero' for the following expression? 13 + 65 ÷ 2 × 8 - 21
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1- and ÷; 8 and 13
- 2+ and ÷; 13 and 21
- 3× and -; 21 and 65
- 4+ and ÷; 13 and 65✓
Correct answer
+ and ÷; 13 and 65
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