1/106:1.69/44:17/18等於多少

1/106:1.69/44:17/18等於多少

1/106:1.69/44=1/106 / 1.69/44=1/106 *44/1.69=2200:53*1691.69/44:17/18=1.69/44 / 17/18=1.69/44 * 18/17=9*169:17*22002200:53*169=9*2200:9*53*169 =19800:806139*169:17*2200 =9*53*169:17*53*2200=8…