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Shkiper50 [21]
2 years ago
9

What's the sum off 663 and 23

Mathematics
1 answer:
vlada-n [284]2 years ago
8 0

Answer: 686

Step-by-step explanation: 663 + 23 = 686

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Determine whether the congruence is true or false.<br> 12 ≡ 10 mod 5
dolphi86 [110]

Answer:

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Step-by-step explanation:

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