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[輕鬆時間]有獎問答+派包 (含福利)

Day 1,329, 03:25 by Crazy Hin

20級以下新人v+c

每人5個自產q2包包
補充一下戰事物質


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第1位回答以下題目 而且答案正確 將獲100個小小的Q1包+5坦克
附上步驟再送10坦克

1.

求a+b


2.
X和Y是正整數
1<X,Y<90
P知道X乘Y
S知道X+Y

P:我不知道X同Y是甚麼
S:我當然知道你不知道
P:啊!我知道X同Y係甚麼了!
S:咦!那我也知X同Y是甚麼了!

問:X同Y分別是甚麼咩數字?


3.

Using only elementary geometry, determine angle x. Provide a step-by-step proof.

You may use only elementary geometry, such as the fact that the angles of a triangle add up to 180 degrees and the basic congruent triangle rules (side-angle-side, etc.). You may not use trigonomery, such as sines and cosines, the law of sines, the law of cosines, etc. There is a review of elementary geometry below.

This is the hardest problem I have ever seen that is, in a sense, easy. It really can be done using only elementary geometry. This is not a trick question.
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福利時間














 

Comments

Beaster3
Beaster3 Day 1,329, 03:29

我只係為左福利圖 v1

AircraftCarrier
AircraftCarrier Day 1,329, 03:30

v5
A=1 B=-1

AircraftCarrier
AircraftCarrier Day 1,329, 03:31

a+b=0

Timmy11Wong
Timmy11Wong Day 1,329, 03:31

ere問功課…

mao  ze  dong
mao ze dong Day 1,329, 03:32

a+b=0
好吧 我是按计算器的。。

Tino Li
Tino Li Day 1,329, 03:34

眼福已大飽sosad

Crazy Hin
Crazy Hin Day 1,329, 03:40

ricky回答正確
獎勵隨後送上

Linzx
Linzx Day 1,329, 03:54

v9 s32


第三题..世界上最难的几何题 OTL

skyhin
skyhin Day 1,329, 04:52

v13 已s

incubatord
incubatord Day 1,329, 05:45

a=1,b=-1

AircraftCarrier
AircraftCarrier Day 1,329, 06:23

答左廢時再答
第2題好似關math logic 事 但唔難知ans
第3題幾簡單

hkghan
hkghan Day 1,329, 07:38

v18 s34

yui8787
yui8787 Day 1,331, 04:25

睇到第2題火都黎埋......

yui8787
yui8787 Day 1,331, 04:37

第3題我用排除法...得出x=20°[sosad]

 
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