5x-2-(3x-1)
(s*(C/A+1)+1/(B*A))/(s*(C+1)+(1/(A*B)))
(s*(C/CF+1)+1/(RF*CF))/(s*(C+1)+(1/(RF*CF)))
all prime numbers btween 80 and 90
2x+3+4x-2
3n+4=13
all prime numbers of 80 and 90
(1.25 ÷ 0.50)1 ÷ 9 − 1
6600/6
square root of
(4^1.5) rounded to the 19th decimal with exact precision
