運算式 4: "p" equals left bracket, 0 , 1 , 2 , 3 , ... , 10 , right bracketp=0,1,2,3,...,10
4
運算式 5: "f" left parenthesis, "s" , right parenthesis equals 1 plus Start sum from "n" equals 1 to "s" , end sum, left parenthesis, StartFraction, Start product from "k" equals 0 to "n" minus 1, end product, left parenthesis, "s" minus "k" , right parenthesis Over "n" ! , EndFraction , right parenthesisfs=1+s∑n=1n−1∏k=0s−kn!
5
Similar exponential growth
6
運算式 7: 2 Superscript, "x" , Baseline2x
7
運算式 8: left parenthesis, "p" , "f" left parenthesis, "p" , right parenthesis , right parenthesisp,fp