國中數學能力測試
SoundCloud Download - Download music from SoundCloud | Convert SoundCloud Songs to MP3已知:媽媽比小孩大21歲,6年之後媽媽的年齡是小孩年齡的5倍。請問:爸爸現在在哪裡?(不要這麼快看解答嘛~~~~先用國中學過的數學計算一下ㄚ!)參考解答:假設媽媽是M歲,小孩是C歲。M=C+21M+6=(C+6)X5解聯立方程式:M=C+21M+6=(C+6)X5>>M+6=5C+30>>M=5C+SoundCloud Download enables you to download music from SoundCloud to your pc. Download SoundCloud songs as MP3. Works with Mac, Chrome, iPhone & Android - No Install Required! ... Download a Song Don't know the link? Search for it here: Search Drop ......
全文閱讀