求出下面的式子中的a，t，u，s各代表什么数字？

两个数的第一位分别是su，相加进位最多能进1，所以t=1

而且S+u大于10，也就是说两个数第三位相加也要进位1，于是U=T+T+1=3

两个数第二位都是1所以相加不可能进位所以S+U=11，于是S=8

至于A和Y一个是1一个是0，我猜楼主打错了Y应该是T吧？那A=0了就

所以t=1

U=3 S=8

A=0

[CmdIde / CmdIde][Running/Boot Start] <SystemRootSystem32DRIVERScmdide.sys>[dac2w2k / dac2w2k][Stopped/Boot Start] <SystemRootSystem32DRIVERSdac2w2k.sys>[dpti2o / dpti2o][Stopped/Boot Start] <SystemRootSystem32DRIVERSdpti2o.sys>[Intel(R) PRO Adapter Driver / E100B][Running/Manual Start] [EagleNT / EagleNT][Stopped/Manual Start] <?C:WINDOWSsystem32driversEagleNT.sys><N/A>[3Com Etherlink XL 90XB/C Adapter Driver / EL90XBC][Stopped/Manual Start] <3Com Corporation>[elxstor / elxstor][Stopped/Boot Start] <SystemRootsystem32driverselxstor.sys>[FASTSX / FASTSX][Stopped/Boot Start] <SystemRootSystem32DRIVERSFASTSX.SYS>[fasttrak / fasttrak][Stopped/Boot Start] <SystemRootSystem32DRIVERSfasttrak.sys>[fasttx2k / fasttx2k][Stopped/Boot Start] <SystemRootSystem32DRIVERSfasttx2k.sys>[fasttx2k2 / fasttx2k2][Stopped/Boot Start] <SystemRootSystem32DRIVERSfasttx2k2.sys>[HpCISSs / HpCISSs][Stopped/Boot Start] <SystemRootsystem32drivershpcisss.sys>[Hpt366 / Hpt366][Stopped/Boot Start] <SystemRootSystem32DRIVERSHpt366.sys>[HPT371 / HPT371][Stopped/Boot Start] <SystemRootSystem32DRIVERSHPT371.sys>[hpt374 / hpt374][Stopped/Boot Start] <SystemRootSystem32DRIVERShpt374.sys>[hpt3xx / hpt3xx][Stopped/Boot Start] <SystemRootSystem32DRIVERShpt3xx.sys>[hptmv / hptmv][Stopped/Boot Start] <SystemRootSystem32DRIVERShptmv.sys>[hptpro / hptpro][Stopped/Boot Start] <SystemRootSystem32DRIVERShptpro.sys>[Intel Integrated RAID / iaStor][Stopped/Boot Start] <SystemRootsystem32driversiaStor.sys>[iirsp / iirsp][Stopped/Boot Start] <SystemRootsystem32driversiirsp.sys><Intel Corp./ICP vortex GmbH>[ini910u / ini910u][Stopped/Boot Start] <SystemRootSystem32DRIVERSini910u.sys>[ITERAID_Service_Install / iteraid][Stopped/Boot Start] <SystemRootSystem32DRIVERSiteraid.sys>[LSI_SAS / LSI_SAS][Stopped/Boot Start] <SystemRootsystem32driverslsi_sas.sys>[LSI_SCSI / LSI_SCSI][Stopped/Boot Start] <SystemRootsystem32driverslsi_scsi.sys>[m5228 / m5228][Stopped/Boot Start] <SystemRootSystem32DRIVERSm5228.sys>[m5281 / m5281][Stopped/Boot Start] <SystemRootsystem32driversm5281.sys>[MegaIDE / MegaIDE][Stopped/Boot Start] <SystemRootSystem32DRIVERSMegaIDE.sys>[megasas / megasas][Stopped/Boot Start] <SystemRootsystem32driversmegasas.sys>[mraid2k / mraid2k][Stopped/Boot Start] <SystemRootSystem32DRIVERSmraid2k.sys>[mraid35x / mraid35x][Stopped/Boot Start] <SystemRootSystem32DRIVERSmraid35x.sys>[nfrd960 / nfrd960][Stopped/Boot Start] <SystemRootsystem32driversnfrd960.sys>[Intel SCSI Controller / NvAtaBus][Stopped/Boot Start] <SystemRootSystem32DRIVERSNVATABUS.SYS>[NVIDIA nForce(tm) RAID Class Driver / nvraid][Stopped/Boot Start] <SystemRootsystem32DRIVERSnvraid.sys>[PNP649R / PNP649R][Stopped/Boot Start] <SystemRootSystem32DRIVERSPNP649R.SYS>[SiI 680 ATA Controller / Pnp680][Stopped/Boot Start] <SystemRootSystem32DRIVERSpnp680.sys>[Silicon Image SiI 0680 Medley Raid Controller / Pnp680r][Stopped/Boot Start] 到卡饭论坛网站查看回答详情>>