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Mathematics, 04.08.2019 11:30 trvptrav

Bonjour j'ai un souci en maths pouvez vous m'aidez dans chacun des cas suivant dire si l'égalité est vraie ou fause pour la valeur de t proposée. 1° 3 + t = 2 x t + 7, pour t = 4 2° 9 x (t-6) = 3 x t, pour t = 9 3° 4 x (t - 1) = t x t, pour t = 2 2 ème problémé en france la pointure p des chaussures est déterminée parla formule p = 1,5 x (l+1) où ldésigne la longueur du pied en cm. 1 paul dont le pied mesure 25 cm, affirme chausser du 39 est-ce exact ? 2° flo chausse de 35 avec un pied mesurant 23 cm. est-ce-possible

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