function s=suma1(k) s=0; n=length(k); for i=1:n s=s+(k); endendfunction s=suma2(k) s=0; n=length(K); for i=1:n s=s+((k)^(2)); endendfunction s=suma3(k) s=0; n=20; for i=1:n s=s+( ((k)/(k+1)) ); endendfunction s=suma4(a) s=0; n=s0; for i=1:n s=s+(4*k); endendfunction s=suma5() s=0; n=5; for i=1:n s=s+( (3((k^2)+1)) ); endendfunction s=suma6(a) s=0; n=length(a); for i=1:(n-1) s=s+( (a(k+1))-(a(k)) ); endendfunction s=suma7(a) s=0; n=length(a); for i=1:(n-1) s=s+( (1/(a(k+1)))-(1(a(k))) ); endendfunction s=suma8(k) s=0; n=length(a); for i=1:n s=s+( (1/(k(k+1))) ); endendfunction s=suma9(k) s=0; n=7; for i=1:n s=s+( (k*(k+1))/(2) ); endendfunction s=suma10(k) s=0; n=8; for i=1:n s=s+( ((3*k)-2) ); endendfunction s=suma11(k) s=0; n=6; for i=1:n s=s+( ((k+1)^(2)) ); endendfunction s=suma12(k) s=0; n=10; for i=1:n s=s+( ((k-1)/(k+1)) ); endendfunction s=suma13(k) s=0; n=4; for i=1:n; s=s+( ( ((-1)^(k))/(((2)^(k))+1) ) ); endendfunction s=suma14(k) s=0; n=8; for i=1:n s=s+( ( ((-1)^(k))*( ((k)^2)+1) ) )/((4*k)) ); endendfunction s=suma15(k) s=0; n=51; for i=1:n s=s+( (k)^(i) ); endendfunction s=suma16(K) S=0; n=10; for i=1:n s=s+( ((i)*k) ); endendfunction s=suma21(k) s=0; n=10; for i=1:n s=s+( ( (7(k^3+1))/(5) ) ); endendfunction s=suma22(k) s=0; n=20; for i=1:n s=s+( ( ((k)^(2))+2 )*(k-2)) ); endendfunction s=suma23(k) s=0; n=13; for i=1:n s=s+((7+k)^(3)); endendfunction s=suma24(k) s=0; n=80; for i=1:n s=s+((2*k)^(2)); endendfunction s=suma25(k) s=0; n=70; for i=1:n s=s+( (((k)^(2))+(k)) ); endend function s=suma26(k) s=0; n=15; for i=1:n s=s+( ((5-((2*k)))^(2)) ); endendfunction s=suma27(k) s=0; n=length(k); for i=1:n s=s+( ( (((6*k)^(2))*(4*k)) ); endendfunction s=suma28(k) s=0; n=length(k); for i=1:n s=s+( ((k+1)^(2)) ); endend