| d) | Calcule la valeur numérique des expressions suivantes si tu sais que :
|
| b
+ a = |
–
2 |
–2
. a = |
–
6 |
| 3
. c = |
6 |
–5d
= |
20 |
| 2b
= |
–
10 |
a
+ d = |
–
1 |
| b
– c = |
–
7 |
a
. b
. c = |
–
30 |
| a
– b = |
8 |
b
+ c + d = |
–
7 |
|
|
|||
|
a2
= |
9 |
5
. c3
= |
40 |
|
b3
= |
–
125 |
3
. b2= |
75 |
| d3
= |
–
64 |
2
. d2= |
32 |
|
c5= |
32 |
8 b3= |
–
1000 |
|
b2
= |
25
|
– 10d3= |
640 |