a) (-7)13-(-7)26-(-7)² = b) (-3)43: (-3)22: (-3)8= c) [(+5)7]5 = d) [(-2)3]8-(-2)6-(-2)30- e) 05786 = f) [(1103)867] 13 = g) 1999⁰ = n) (-11)17: (-11)15 =​

A 7137267 B 343 322 38 C 575 D 23826230 E 05786 F 1103867 13 G 1999 N 1117 1115 class=