Cuatro ejercicios aritméticos

1.3/7 × 49/9 - 4/3 =1

2.8/9 × 15/36 + 1/27 =11/27

3.12 × 5/6 – 2/9 ×3 =28/3

4.8× 5/4 + 1/4 =41/4

5.6÷ 3/8 – 3/8 ÷6 =255/16

6.4/7 × 5/9 + 3/7 × 5/9 =5/9

7.5/2 - ( 3/2 ​​​​+ 4/ 5) =1/5

8,7/8 + (1/8 + 1/9) =10/9

9,9 × 5/6 + 5/6 =25 /3

10,3/4 × 8/9 - 1/3 =1/3

11,7 × 5/49 + 3/14 =13/14

12,6 ×(1/2 + 2/3)=7

13,8 × 4/5 + 8 × 11/5 =24

14,31 × 5/6 – 5/6 =1

15.9/7 - (2/7 – 10/21 )=31/21

16.5/9 × 18 – 14 × 2/7 =6

17,4/5 × 25/16 + 2/3 × 3/4 =7/4

18,14 × 8/7 – 5/6 × 12/15 =46/3

19,17/32 – 3/4 × 9/24 =1/4

20,3 × 2/9 + 1/3 =1

21,5/7 × 3/25 + 3/7 =18/35

22,3/14 ×× 2/3 + 1/6 =13/42

23,1/5 × 2/3 + 5/6 = 29/ 30

24,9/22 + 1/11 ÷ 1/2 =13/22

25,5/3 × 11/5 + 4/3 =5

26.45 × 2/3 + 1/3 × 15=35

27.7/19 + 12/19 × 5/6 =17/19

28.1/4 + 3/ 4 ÷ 2/3 =11/8

29,8/7 × 21/16 + 1/2 =2

30,101 × 1/5 – 1/5 × 21=16

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