我想問數學題
回答 (2)
2007-08-09 1:58 am
✔ 最佳答案
﹝(-2/5)(-2)-(+3/5(+4)﹞÷﹝(-2/5+(-3/5)﹞x(+2)=(4/5-12/5)x2/-1
=(-8/5)x-2
=16/5
2007-08-08 11:17 pm
等於-1.6
收錄日期: 2021-04-13 18:03:27
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