Chapitre 6

Calcul littéral

Activité 8 - Calcul littéral (2)

Réduis au maximum les expressions suivantes.

a)

3a . 2b =	..............................	2 . 3a + 2 . 5b =	..............................
5a . 4a =	..............................	2 . 5a + 2 . 3a =	..............................
6a + 4a =	..............................	4a + 2b + 4a + 2b =	..............................
8a + 4b =	..............................	2x + 3x + 2x + 3x =	..............................

b)

3a + 2b + 4a + 3b =	..............................	5a . 3 =	..............................
3a + 5 + 2a + 9 =	..............................	4 . 2b =	..............................
3a + 2b =	..............................	a + 4 =	..............................
4a + 5 =	..............................	3a + 2b + 5a + 5 =	..............................

c)

2a + 5a =	........................	3d . d =	........................	g . g =	........................
2a . 5a =	........................	3d + d =	........................	g + g =	........................
6a + 2a =	........................	6a + 2 =	........................	a + 5 =	........................
6a . 2a =	........................	6a . 2 =	........................	a . 5 =	........................

Vos remarques sont les bienvenues.