a+b+c+d=200公仔箱論壇5 Q! h; ]6 s' b9 k+ p6 j% n
4x-8-16-24=200+ V/ {: ~, a* x* [6 V B- n
4x-8(1+2+3)=200
8 Z9 b" A0 E' y% }0 ^4 @0 G Q- C, q) y5.39.217.764x-8(6)= 200
. z+ t" \. y$ c1 `7 e+ H5.39.217.764x=200+8(6)/ I) ^$ m; P, Y" E( V Z! D) I
x=248/4" g$ _7 j! P, h7 E9 `$ r8 Z' `
62 |