<span>(-0,211+(-3,181))+(-2,3+(2,03))=(-0.211-3.181)+(-0.27)=(-3.392)-0.27=-3.392-0.27=-3.662
Ответ:</span><span>-3.662</span>
(-0,211+(-3,181))+(-2,3+(2,03))=-3,662
1) -0,211+(-3,181)=-0,211-3,181=-3,392
2) -2,3+2,03=-0,27
3) -3,392+(-0,27)=-3,392-0,27=-3,662