(e) 92-2003 81² (f) 520-5-521 (g) 640 638 (h) (68)7: 654 (i) 427-4: 428 (j) 2³.32+250-11² - 4⁰ (k) (1) (15¹5 - 10¹0)0 (m) 710-75.73 (78)² (n) 317-717-21¹7 (0) 915.314 (p) 25¹0-523-1255 (2+4+6+...+100)-50² : (q) 365-65 (r) 817: 164-232 (s) 497-749 (t) (520510418: 416): 32 (u) 312:310 +(3-5)10 : 15 – 20110.12011 (v) 413: 86 +73-52 [625:54 +16: (7-3²-55)] (w) (254)³ (4²+32)11- (02010+12012 +2013⁰)² : (x) [11+3¹5.35+ (54)³] : [11+ (3¹0)2 +548 : 536] (y) (32.34): 96-814: 275:3¹:3⁰ (z) (7+14+21+...+105): (1+2+3+...+15) - 2⁰.7⁰​