Как решить пример 27,56-36-27,57-(-12)=?
27,56-36-27,57-(-12)=-7,13 1)27,56-36=-(36-27,56)=-8,44 2)-8,44-27,57=-(8,44+27,57)=-19,13 3)-19,13-(-12)=-19,13+12=-(19,13-12)=-7,13
27,56-36-27,57-(-12)=-24.01