Question

3 7/9 + 4 4/9
6 3/7 + 4 8/7
9 1/3 - 6 4/3
7 8/4 - 3 4/4
решите плиз

Answer 1

=34/9+40/9=74/9=8  2/9
=45/7+36/7=81/7=11  4/7
=28/3-22/3=6/3=2
=36/4-16/4=20/4=5