22/7×12×20+22/7×12×12
express 0.44....... as a rational number
how to solve
1.77⅕
d-2a=4
Find the absolute maximum and minimum values of 𝑓(𝑥, 𝑦) = 𝑥^3 + 𝑦^3 + 3𝑥^2 − 3𝑦^2 on the square with vertices:(1,1), (−1, −1), (1,...
is $x^{2}$+3x+4 always positive
how (n+1)!/n!
x/2+3=x-y solve for x
i want to calculate probability of roulette
