Calculate 171 − 13.
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✅ Correct answer: B. 158
a: 160 | b: 158 | c: 163 | d: 156
10 random questions, instant feedback, earn XP.
Tap an option to check your answer.
✅ Correct answer: B. 158
a: 160 | b: 158 | c: 163 | d: 156
10 random questions, instant feedback, earn XP.