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marusya05 [52]
3 years ago
8

I need help with math.

Mathematics
1 answer:
Reika [66]3 years ago
3 0

Answer:

last option

Step-by-step explanation:because 9x9 is 81 subtract 1 and you get 80      5x5=25-1=24  so that wont work   4x4=16-1=15 so that also wont work   and 7x7=49-1=48 so -9 and 9 is the right answere

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