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20-08-2021
Mathematics

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

hey please help where it has the lt thing it says ones tens nines class=

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20-08-2021

Answer:

[tex]9 \times 9 = 10nines - 1nine \\ 9 \times 9 = 90 - 9 \\ 9 \times 9 = 81 \\ thank \: you [/tex]

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