3 years ago

Hey please help i’ll give brain

Mathematics

2 answers:

anygoal [31]3 years ago

7 0

Answer:

81-1 nine

90-81

Step-by-step explanation:

Brilliant_brown [7]3 years ago

7 0

Answer:

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

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