一張workseet滿分為100分,有8條,答錯(-15分)or留空一條(-1分)
現有一位同學答岩5條,答錯2條同留空1條,呢個同學既總分係幾多??
要條式同答案
急問F.1maths一D問題
2007-09-30 1:14 am
回答 (4)
2007-09-30 1:22 am
✔ 最佳答案
100 + 2 *(-15) + 1*(-1)= 69
amendment
score per each question = 100/8 =12.5
total
= 12.5* 5 2*(-15) 1*(-1)
= 31.5
100-2(15)-1
=100-30-1
=69
???????????????????????????
參考: book
2007-09-30 1:23 am
唔知岩唔岩..
總分:
100 - 2 X 15 - 1
=100 - 30 - 1
=100 - 31
= 69
總分是69分...
總分:
100 - 2 X 15 - 1
=100 - 30 - 1
=100 - 31
= 69
總分是69分...
參考: 自己
2007-09-30 1:20 am
100-2(15)-1
=100-30-1
=69
=100-30-1
=69
2007-09-30 1:18 am
100 + 2 *(-15) + 1*(-1)
= 69
2007-09-29 17:20:13 補充：
amendmentscore per each question = 100/8 =12.5total = 12.5* 5 2*(-15) 1*(-1)= 31.5
= 69
2007-09-29 17:20:13 補充：
amendmentscore per each question = 100/8 =12.5total = 12.5* 5 2*(-15) 1*(-1)= 31.5
收錄日期: 2021-04-13 13:40:35
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