Give me plz the easiest way of solving the problem of irrational or ra

1.	Give me plz the easiest way of solving the problem of irrational or rational sums ?
Answer» https://rational.irrational.def/..Examples./vj/72411575258?pwd=VTdIWlJRRDFsaGorZFIvanQxVGNFZkhli

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