cc SIN~~~
about 100 right?
..要睇下先知:)
睇 吓 先
答案 103??
可以103???????
A; baseXC*]%lx'Z/F
d
x=smoke
y=alcohol
z=women
1)A-x-y-z=63
2)a+x-y-z=83m-M u%WdfpK
3)a+x+y-z=93ZieT6q
\
4)a+x+y+z=103\g$O#g1q+L
|
d W0j,X;h ?.p-U
A-x-63=a+x-83
-2x=-20
x=10f
K;YW2guqX:N
a+10+y-z=93-yn-p@ Q{Y7o
-(a+10+y+z)=1038tVz`KC
e
-2z=-10'Zy4v-TO9FX;Y g3Cg
z= 5!U4D4pds],zs:h
a+10-y-5=83
-(a+10+y-5)=93Rj
}RP&H5_
ff/\
-2y= -10-EW|^2|!k*{[m+C
y=5 ?\){6G9bK
A-10-5-5=63
a=839QP-gi,v9j
t:u\5y3M2C't
人的基本壽命為多少? 83 years (A-x-y-z=63, A=63+x+y+z=83)