Question

(4ц211-1ц611)+7ц411-(911+3ц711)

Answer 1

1)4 2/11-1 6/11=3 13/11-1 6/11=2 7/11
2)9/11+3 7/11=3 16/11=4 5/11
3)2 7/11+7 4/11=9 11/11=10
4)10-4 5/11=9 11/11-4 5/11=5 6/11-ответ