uzupełnij tabelki proszę was pomuszcze

PIERWSZA TABELA 2/3+1/3=3/3=1 4/3+1/3=5/3=1 2/3 5-1/3=4 2/3 2 1/3+1/3=2 2/3 7/3-1/3=6/3=2 3 1/3-1/3=3 6 2/3+1/3=7 5 1/3-1/3=5 DRUGA TABELA 1/7+4/7=5/7 4-4/7=3 3/7 1 2/7+4/7= 1 6/7 2 3/7-4/7=1 6/7 3 2/7-4/7=2 5/7 3 3/7+4/7=4 5/7-4/7=1/7 2 1/7-4/7=1 4/7 Liczę  na naj