Ответ:\(-15+(-27)=-42\).\(-48-(-12)=-48+12=-36\).\(-9\times(-8)=72\).\(72\div(-6)=-12\).\(-14+25-30=11-30=-19\).\((-4)\times5\div(-2)=-20\div(-2)=10\).Ответ: −42; −36; 72; −12; −19; 10.