Question

вычислить -12+(-13)+14-(-15)+16(-17)+(-18)

Answer 1

-12+(-13)+14-(-15)+16 (-17)+(-18)=-12-13+14+15-(16×17)-18=-25+29-272-18=29-315=-286

Answer 2

= - ( 12 + 13 + 15 + 17 + 18 ) + ( 14 + 16 ) = - ( 12 + 18 ) - ( 13 + 17 ) - 15 + 30 = - 30 - 30 - 15 + 30 = - 30 - 15 = - 45
Ответ ( - 45 )