MATH-éco+2014

 [email protected]
bauunn 
1
1n nn
au b
ucu d
bauunn 
1
n
u
nn ufu  1
f
I
IIf 
xf
f x g x
xgxf 

 [email protected]
10xa
10xa
10xa
2.
.

 [email protected]
20%
60%
20%
100%
%
%
10 %