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ludmilkaskok [199]
3 years ago
7

I need help with this especially 3. i just need an explanation on how to do it and ill do the rest

Mathematics
1 answer:
Ganezh [65]3 years ago
5 0

Answer:

1: 3 x 7 = 21

2: 4 x a = 4a

3: m x m = m²

Step-by-step explanation: Hope this helps, have a great day!

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