Question

[THUY THU MAT TRANG]

tinh tong sau 1 cong 1tren 2 cong 1 tren 3 cong 1 phan 4

Answer 1

[Bạch Dương]

1 + 1/2 + 1/3 + 1/4

= 12/12 + 6/12 + 4/12 + 3/12

= 25/12

                 #Tề _ Thiên

Answer 2

[阮草~๖ۣۜDαɾƙ]

1 + \(\frac{1}{2}+\frac{1}{3}+\frac{1}{4}\)

= \(\frac{12}{12}+\frac{6}{12}+\frac{4}{12}+\frac{3}{12}\)

= \(\frac{25}{12}\)