floor(random(0,10))&choose("+","-","*","etc")&floor(random(0,10))
foor is whole numbers
random is 0 to 10
choose is select either of the given options
Better to store each in variable
number1 = floor(random(0,10))
formula = choose....
number2 = floor(......
Then calculate as integar to give answer.... can't calculate text