Решите плиииз д/з Спс
А)=12-7.8*80.6=12-628.68=-616.68 Б)=-6-4.5*(-5.4)=-6+24.3=18.3 В)=2*0.7-3.4=1.4-3.4=-2 Г)=2*0.6+19.76=1.2+19.78=20.98