2 years ago

Hehejdkekldmtkskdmfmmdmdnr

Mathematics

1 answer:

MakcuM [25]2 years ago

6 0

The answer is - 17.8. You need add 18.8 and 17.7 then you get 36.5. then you subtract 36.5 and get negative 17.8

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An echo number has a perfect square if its square root is also a natural number. After some iterations we found that echo number 20222022202220222022 is a perfect square:

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