KYARA209 KYARA209 Mathématiques Answered 19 Calculer. a. 1+2 3 d. =/= + 1²/1/ 1 3 Alw b. 1-3 m/+ + e. 4 2 1 5 6 c. 1-²/ 7 9 f. 1.-2/2 - 1/3 7