15h+30<10h-45 math hw help?!?
回答 (4)
2015-09-27 7:40 pm
✔ 最佳答案
15h + 30 < 10h - 45 15h - 10h < -45 - 30
5h < - 75
h < - 15
2015-09-27 6:50 pm
sorry Einstein is dead
2015-09-27 7:17 pm
5h < - 75
h < - 15
h < - 15
2015-09-27 6:52 pm
15h-10h=-30-45
5h=-75
h=-75/5
h=15
5h=-75
h=-75/5
h=15
收錄日期: 2021-04-21 14:23:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150927104830AAvU5aT