dtdumpling4114 dtdumpling4114 15-09-2021 Mathematics contestada What is the value of the expression a) 12(3+13)= 192 b) 12(3+4+5+...+12+13)= 1,056 c) 12(1+2+3+...+12+13)= 1,092 d) 12(3)•12(13)= 5,616
