Question

13 11/12-10

4 4/15-2 1/30

12 1/5+2 5/10

15 1/7-5

16 2/9+2 1/18

Answer 1

13 11/12-10=3 11/12

4 4/15-2 1/30= 4 8/30- 2 1/30=2 7/30

12 1/5+2 5/10= 12 2/10 - 2 5/10 =9 7/10

15 1/7-5 = 10 1/7

16 2/9+2 1/18= 16 4/18 + 2 1/18= 18 5/18

Answer 2

13 11/12-10 =13 11/12

4 4/15-2 1/30 = 4 целых 4*2/30 - 2 целых 1*1/

Answer 3

и сейчас еще даа

Answer 4

два

Answer 5

3) я не писала я сразу ответ=12 2/10-2 5/10 = 9 7/10

Answer 6

4) =10 1/7

Answer 7

5)=16 4/18+2 1/18=18 5/18