1/2 / 9/4 * (11 - 4/3)
x^2-4x+29=0
(100/94)*987
1 3/5 + 1 1/12 + 3 3/4
(100/94)*100
535/765
valeur absolue : x-3 plus grand que 7
x²+9=0
Let A ={1, 2, 3} and B = {1, 2, 3, 4, 5}. Find
P(A U B)
P(A & B)
A – B
\sum_{n=2}^{\infty}\frac{1}{n(n+2)}