Question

Answer 1

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Answer 2

=37/45 - 1/15 = 34/45

= 1/3 : 4 = 1/12

= 8/9 - 2/3 = 2/9

Answer 3

10/45 + 27/45 - 3/45 = 34/45

5/12 x 4/5 x 1/4 = 1/12

8/9 - 2/3 = 8/9 - 6/9 = 2/9

Answer 4

Tham khảo: 

10/45 + 27/45 - 3/45 = 34/45

5/12 x 4/5 x 1/4 = 1/12

8/9 - 2/3 = 8/9 - 6/9 = 2/9