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olga_2 [115]
3 years ago
11

13,84,85 are the last ones please help

Mathematics
1 answer:
Margaret [11]3 years ago
5 0

Answer:

49,36,85

Step-by-step explanation:

c in step 4 comes from step 3... 49+36

a and b in step 3 come from step 2... in the same (you've got a - b and then 7 squared - 6 squared, so a is 49 and b is 36

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