6 1/9 - 2 7/10 - 2 7/9 сколько будет?

19/30

Пошаговое объяснение:

=(6 1/9 - 2 7/9 ) - 2 7/10 =

=(6-2)+(1/9 - 7/9) - 2 7/10=

=4 + (-6/9) - 2 7/10=

=3 + 1 - 2/3 - 2 7/10=

=3 + 1/3 - (2+7/10)=

=(3-2)+(1/3-7/10)=

=1 + (10/30 - 21/30)=

=1 + (-11/30)=

=30/30-11/30= 19/30

=(6 1/9 - 2 7/9 ) - 2 7/9 =

=(6-2)+(1/9 - 7/9) - 2 7/9=

=4 + (-6/9) - 2 7/9=

=3 + 1 - 6/9 - 2 7/9=

=3 + 3/9 - (2+7/9)=

=(3-2)+(3/9-7/9)=

=1 + (-4/9)=

=9/9-4/9=5/9

=6 1/9 - 0 = 6 1/9

6 1/9

Пошаговое объяснение:

= 6 1/9 - (2 7/9 - 2 7/9) =

6 1/9 - 0 = 6 1/9