(1)设乙仓库应运进大米X吨大米.
800=2/3(360+X)
.
X=840
答:乙仓库应运进大米840吨大米.
(2)设甲仓库应运出大米X吨大米.
360=2/5(800-X)
X=-100
答:甲仓库应运出大米-100吨大米.