cc SIN~~~
about 100 right?
..要睇下先知:)
睇 吓 先
答案 103??
可以103???????
A; base%L\\8@2vf
x=smoke
y=alcohol6anFt)n
z=women
4Mz1CDj)Xm
1)A-x-y-z=63
2)a+x-y-z=839G4s nY+\,}k
3)a+x+y-z=93
4)a+x+y+z=103GTIJ%BQ+G+Z
[_}1JJU3?U u
A-x-63=a+x-835d-enx#G/L XP
-2x=-20
x=10VUW1gR3c
PJ*M]MKj+X4k;P
a+10+y-z=93%}{M]P2_+^1C
-(a+10+y+z)=103
-2z=-105P/A%Z'}B
z= 5m$pBLs
a+10-y-5=83:K3d#u'_e xUD:U
-(a+10+y-5)=93$i)|!h0rA
-2y= -10+tt aM d%k$\+`
y=5+{od gYm
cyBJw/h
A-10-5-5=63
a=83
人的基本壽命為多少? 83 years (A-x-y-z=63, A=63+x+y+z=83)
抽煙的人壽命為多少? 93 (A+x=B, x=10, 83+10=93)
喝酒的人壽命為多少? 88 (A+y=C, y=5, 83+5=88)