cc SIN~~~
about 100 right?
..要睇下先知:)
睇 吓 先
答案 103??
可以103???????
A; base'OvRn:z#bx_g
x=smoke)}0H+YVz,I0Dh"B
F
y=alcohol
z=women&f-r\*C3v$U6T
R%tB%XF3v
1)A-x-y-z=63
2)a+x-y-z=83
3)a+x+y-z=93O.Q)y`qbI@
4)a+x+y+z=1039m}
c'MM
A-x-63=a+x-83$Ii_
e1x}O
-2x=-20/m(q~9v.f7f$b mF
x=10
a+10+y-z=93 TEZR1b R&k
-(a+10+y+z)=103Eepm6q
g
-2z=-10
z= 5"Z1L/Z&gO-Lf
a+10-y-5=83
-(a+10+y-5)=93
-2y= -10
vq|C tp
y=5
A-10-5-5=63
a=83
U$@&@@"Q8F7t2_
E)mN,rn1\
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)