Calculate 53 − 13.
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✅ Correct answer: C. 40
a: 45 | b: 38 | c: 40 | d: 42
10 random questions, instant feedback, earn XP.
Tap an option to check your answer.
✅ Correct answer: C. 40
a: 45 | b: 38 | c: 40 | d: 42
10 random questions, instant feedback, earn XP.