What is 622 + 66?
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✅ Correct answer: D. 688
a. 689 b. 687 c. 690 d. 688
10 random questions, instant feedback, earn XP.
Tap an option to check your answer.
✅ Correct answer: D. 688
a. 689 b. 687 c. 690 d. 688
10 random questions, instant feedback, earn XP.