某公司计划购进一批原料加工销售,已知该原料的进价为6.2万元/t,加工过程中原料的质量有20%的损耗,加工费m(万元)与原料的质量x(t)之间的关系为m=50+

某公司计划购进一批原料加工销售,已知该原料的进价为6.2万元/t,加工过程中原料的质量有20%的损耗,加工费m(万元)与原料的质量x(t)之间的关系为m=50+0.2x,销售价y(万元/t)与原料的质

查看答案

The policeman caught hold of the thief and hit him ____the head.

The policeman caught hold of the thief and hit him ____the head.

查看答案

Have you decided when_____? Yes, tomorrow morning.

Have you decided when_____? Yes, tomorrow morning.

查看答案