a)
|
Réduis les expressions suivantes. |
x
. 4x = |
x
. 4 . x
|
4.(3a
+ 2a) = |
4
. 5a 20a |
4a
+ 4a = |
8a |
2a
. 3a = |
2
. a . 3 . a
|
2.(x
+ 3x) = |
2
. 4x 8x |
4a
. 4a = |
4
. a . 4 . a 4 . 4 . a . a 16 . a2 16a2 |
4a
+ 6a = |
10a |
4x
. x . 2x = |
4
. x . x . 2 . x
|
x2
. 4x = |
x2
. 4 . x 4 . x2 . x 4 . x3 4x3 |
x2
. 2x = |
x2
. 2 . x
|
2x
+ 2 . 3x = |
2x
+ 6x 8x |
4x2
+ x2 = |
5x2 |
a2
+ a2 = |
2a2 |
3x
. x + x2 = |
3x2
+ x2 4x2 |
4x
. 4 = |
4
. x . 4 4 . 4 . x 16 .x 16x |