數學題tvb now,tvbnow,bttvb) D) p/ t- _' d- U5 [& s
+ b1 c4 V+ E, S5 Etvb now,tvbnow,bttvb5364 3392 3036公仔箱論壇- J# M4 ]6 ]% f6 o2 q/ w8 J
6879 5372 3816
$ r- {: J3 {, q# X" s8697 8342 Xtvb now,tvbnow,bttvb. Y8 W9 f$ V" [4 V( D
What is X?5.39.217.77:8898' s8 }- g, G. |* X
. b+ \6 A7 b+ O* `* N2 Stvb now,tvbnow,bttvbanswer:! h* A$ [2 A. H) {, m- q" f, i
52x64 = 3392 33x92=3036" o, _* \! `' O! p
68x79 = 5372 53x72=3816公仔箱論壇$ D, A0 W, g6 |6 l" ~
86x97 = 8342 83x42=3486(X) |