Question

3.8-7+20

Answer 1

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Answer 2

3.8 - 7 + 20

= 24 - 7 + 20

= 14 + 20 = 34 

Answer 3

3.8-7+20

=24-7+20                       tick mình nha bạn

=17+20

=37                      

Answer 4

3 . 8 - 7 + 20

= 24 - 7 + 20

= 37