1+1
1=
x-3/x+x-1/x+2=29/20
3420÷15
(1+6%)^n=2,5
Let a and b be two integers such that gcd (a,b)=g.Show that there exists integers m and n such that g = ma+nb
$$\int_{0\}^{1\}(sin t\)(cost\) dt$$
1/x = 1/(x+6) +1/(x+1) +1/(2x)
∫( 1/( sqrt(x+3)- sqrt(x-4)) )dx
8880÷592