10 INPUT "X ="; X 20 INPUT "E ="; E 30 PREV = 1: CUR = X: S = 1 40 I = 2: ZNAM = 1 50 WHILE ABS(CUR - PREV) >= E 60 IF I MOD 2 = 0 THEN S = S - CUR ELSE S = S + CUR 70 PREV = CUR 80 I = I + 1 90 ZNAM = ZNAM + 2 100 CUR = CUR * X ^ 2 / (ZNAM - 1) / ZNAM 110 WEND 120 PRINT "Ρσμμΰ ="; S 130 END