Gọi số bạn trong nhóm là A
Số kẹo là : 5*A-3
4*A+2
5*A-3 =4*A+2
A=3+2
A=5
nhóm của nga có 18 pạn ,vì 18 : 5 bằng 3 dư 3
18 : 4 bằng 4 dư 2
Gọi số bạn trong nhóm là a
Số kẹo là : 5 x a - 3
4 x a + 2
5 x a - 3 = 4 x a + 2
A = 3 + 2
A = 5
5 đúng 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%!!!!!
