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Firdavs [7]
3 years ago
8

What is 9+10? A) 910 B) 21 C) 19 D) 90

Mathematics
2 answers:
horsena [70]3 years ago
8 0

Answer:

C) 19

Step-by-step explanation:

9+10 = 19

vaieri [72.5K]3 years ago
8 0

Answer:

B) 21

Step-by-step explanation:

Because 3×3=9 and 2×5=10

If you switch it, 3×2 and 3×5, that is equal to 6 and 15.

6+15=21

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