4EME myriade MATH corriector Exercise ce 2 page 382 exercice 91page 90 Transmath 4eme exercice Transmath 4eme exercice 51 Transmath 4eme exercice 51 p 141 Exercice 3 page 54 Transmaths Exercice 1 page 54 Transmaths 16 page 390 livre professeur pasarela 2012