1) 9 1/2-2 1/42) 6 3/4-2 2/33) 11 3/7-5 1/34) 8 3/5 -6 3/10

Question

1) 9 1/2-2 1/4
2) 6 3/4-2 2/3
3) 11 3/7-5 1/3
4) 8 3/5 -6 3/10

Answer 1

1. 9 1/2-2 1/4=9 2/4-2 1/4=7 1/4.
2. 6 9/12-2 8/12=4 1/12.
3. 11 9/21-5 7/21=6 2/21.
4. 8 6/10-6 3/10=7 16/10-6 3/10=1 13/10=2 3/10.

Comments

На здоровье