Maths~~~~~~~~~~~~~`p.6
8x-11=16-x
詳細步驟thz~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
回答 (3)
✔ 最佳答案
8x-11=16-x
8x=16+11-x
8x=27-x
9x=27
x=3
參考: myself
8x-11=16-x
8x-11+11=16-x+11
8x=27-x
8x+x=27-x+x
9x=27
9x/9=27/9
x=3
參考: me
8x+x=16+11
9x=27
x=27/9
x=3
收錄日期: 2021-04-26 15:00:01
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