Write 3 names for 19?

Well I think its hard Write 3 names for 19 each expression must use a 7 and a 9

Answer #1

Do you mean write 3 equations to equal 19 using only (or primarily) the digits 7 and 9?

(7 x √9) - (9 - 7) = 19 or 7 + 7 + 7 + 7 - 9 = 19

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