Sagot :
Exercice 5
Tu fait:
1,2x3,5+4,8=9
On obtient 9.
Exercice 6
1) 2(5x3+10)
2x25
50
2) 2(1,5x3+10)
2x14,5
29
3) 2(12x3+10)
2x46
92
4)
2(3x+10)
=6x+20
Tu fait:
1,2x3,5+4,8=9
On obtient 9.
Exercice 6
1) 2(5x3+10)
2x25
50
2) 2(1,5x3+10)
2x14,5
29
3) 2(12x3+10)
2x46
92
4)
2(3x+10)
=6x+20