Calculate 89 − 20.
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✅ Correct answer: A. 69
a: 69 | b: 71 | c: 67 | d: 74
10 random questions, instant feedback, earn XP.
Tap an option to check your answer.
✅ Correct answer: A. 69
a: 69 | b: 71 | c: 67 | d: 74
10 random questions, instant feedback, earn XP.