题型:填空题 我市A、B两煤矿去年计划产煤600万吨,结果A煤矿完成去年计划的115%,B煤矿完成去年计划的120%,两煤矿 * * 煤710万吨,求去年A、B两煤矿原计划分别产煤多少万吨?设A、B两煤矿原计划分别产煤x万吨,y万吨;请列出方程组______. 查看答案
题型:选择题 When we climbed up to the top of the mountain, we were all __________ ,but we were very happy. A.out of sightB.out of reachC.out of breathD.out of danger 查看答案