Maths
This is Maths test from P3.....A + B + C = 630
D + B + C = 730
A + B + D = 330
A + C + D = 800
A=?
B=?
C=?
D=? CRAZY 呢D起碼中三先學啦 哇真係離譜d喎~ 係唔係果d咩尖子教學課程黎嫁~ 嘩~~~好難計喎Smilies003 我諗左幾個字先計到~~~ :L :L :L 原帖由 ssss41357 於 2007-11-8 12:24 發表 http://www.post76.com/discuss/images/common/back.gif
我諗左幾個字先計到~~~ :L :L :L
do you got similar questions from your son/daughter ? A=100
B=30
C=500
D=200
5分鐘玩完 原帖由 ronaldlaw 於 2007-11-8 10:12 AM 發表 http://www.post76.com/discuss/images/common/back.gif
This is Maths test from P3.....
A + B + C = 630
D + B + C = 730
A + B + D = 330
A + C + D = 800
A=?
B=?
C=?
D=?
其實好easy
1,b出現過3次,3個答案都有30,b無出現個答覆就無30,所以b=30
2,a出現過係最大同最細o既答案,所以我假設佢係=100先,咁a+b+d=330就變做100+30+d=330
3,d就係上面計過啦=200,而家只要計a+c+d=800變做100+c+200=800
明唔明?? 嘩........P3既數洗唔洗咁覆習呀???Smilies015 Smilies015 Smilies015 原帖由 kennykky 於 2007-11-8 13:39 發表 http://www.post76.com/discuss/images/common/back.gif
其實好easy
1,b出現過3次,3個答案都有30,b無出現個答覆就無30,所以b=30
2,a出現過係最大同最細o既答案,所以我假設佢係=100先,咁a+b+d=330就變做100+30+d=330
3,d就係上面計過啦=200,而家只要計a+c+d=800變做100+c+ ...
勁！Smilies018 Smilies018 Smilies018