Úloha ID 1759 - 
Máme dvě čísla. Číslo M je větší nebo rovno 54 a menší nebo rovno 126. Číslo N je větší nebo rovno 3 a ostře menší než 9. Urči, co platí pro číslo A = M/N + 7.
Správná odpověď je: B
Nejmenší číslo získáme, pokud spočteme 54/9 + 7 = 13, a protože číslo 9 není zahrnuto do hodnot čísla N, nerovnost je ostrá. Pro horní hranici musíme použít číslo 126/3 + 7 = 49, kde čísla 3 i 126 jsou možné hodnoty čísel M a N. Číslo A tedy bude menší nebo rovno 49.
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