579⑤/580x+3y/581③/582⑤/583②/584①/585-90/586①/587④/588④589⑤590x¤-4x-1/591②592①/593⑤/594⑴-4x+8y-1?⑵-2x+11y-3/595-6/596①/59710/598④/5994
당신은 어느 그룹입니까?