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svetlana [45]
2 years ago
15

Hey please help where it has the < thing it says “ones” “tens” “nines”

Mathematics
1 answer:
Keith_Richards [23]2 years ago
5 0

Answer:

9 \times 9 = 10nines - 1nine \\  9 \times 9 = 90 - 9 \\ 9 \times 9 = 81 \\ thank \: you

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