Пошаговое объяснение:
(-1 3/7×4 2/3+1 7/9)×(-3/4)=
=(-10/7×14/3+16/9)×(-3/4)=
=(-20/3+16/9)×(-3/4)=
=((-60+16)/9)×(-3/4)= - 44/9×(-3/4)=
=11/3=3 2/3
Пошаговое объяснение:
(-1 3/7×4 2/3+1 7/9)×(-3/4)=
=(-10/7×14/3+16/9)×(-3/4)=
=(-20/3+16/9)×(-3/4)=
=((-60+16)/9)×(-3/4)= - 44/9×(-3/4)=
=11/3=3 2/3