20,05x14+40,1x16+60,15x18
=20,05x14+20,05x2x16+20,05x3x18
=20,05x14+20,05x32+20,05x54
=20,05x(14+32+54)
=20,05x100
=2005
20,05x14+40,1x16+60,15x18
=20,05x14+20,05x2x16+20,05x3x18
=20,05x14+20,05x32+20,05x54
=20,05x(14+32+54)
=20,05x100
=2005
kết bạn nhé bạn có chơi bang bang trên zing me