Bonjour ,
Exercice 3 :
7x81x15/10x9x14
9x3/2x2
27/4
2+11x2/2+19x2
2+22/2+38
24/40
3/5 soit 0.6
√12+√12/7√3+√75
2√3+2√3/7√3+5√3
4√3/12√3
1/3 soit 0.333...
5+3x5/12/1+1/2
5+5/4/3/2
25/4/3/2
25/6
2+3/3-5 + 2x6/3+1
5/-2+2x6/4
5/-2+6/2
5/-2+3
1/2 soit 0.5
1+1+1/3
1+2/3
5/3
Exercice 4:
77x16x36/18x49x8
11x2x2/7
44/7
4+3x5/2-4x5
4+15/2-20
19/-18
5√3/√27+√12
5√3/3√3+2√3
5√3/5√3
1
1-5/3x4/2+7/9
1-20/3/25/9
-17/3/25/9
-51/25
2/1+1/3-1
2/4/3-1
3/2-1
1/2
2/1+3/5/2
2/1+6/5
2/11/5
10/11
Exercice 5 :
5-3x7/5+9x3
5-21/5+27
-16/32
-1/2
1+3/7/2-8/3
10/7/-2/3
-15/7
5/2+7/2/11/3-5/2
6/7/6
36/7
1/1+1/3/2
1/1+2/3
1/5/3
3/5
