TRAVAUX DIRIGÉS N°1 - MATHÉMATIQUES
Exercice 7 page 103. 1) L'expression x ×5 permet ... b) A = 47×0,20+19×0,50. Z = 2,40+4. A = 9,40+9,50. Z = 6 ... B = 8×7?5×5+6. B = 8×10?5×0+6. B = 56?25+6 = 37.
Exercice 7 page 103. 1) L'expression x ×5 permet ... b) A = 47×0,20+19×0,50. Z = 2,40+4. A = 9,40+9,50. Z = 6 ... B = 8×7?5×5+6. B = 8×10?5×0+6. B = 56?25+6 = 37.