Question

y+y+y=26+27+28

Answer 1

3y=80

y=80/3

Ai tích mk mk tích lại cho

Answer 2

3 .y = 80

Suy ra y= 80 / 3 = 26,67777777777777777777777777777777...........

Answer 3

y+y+y=25+27+28

3y=25+27+28

3y=80

y=80:3

y=\(\frac{80}{3}\)

Answer 4

y+y+y=26+27+28

y+y+y=81

3y=81

y=81/3

y=27