尾随 发表于 2025-3-28 16:26:43
K. J. Collins,J. C. Easton,S. D. Rowlands,J. S. Weiner there was a need to develop a device to do the mathematics quickly. This led to the invention of the abacus, the device many believe was the mother of the digital computer as we know it today, between 1000 B.C. and 500 B.C.Without performing actual calculations, the abacus helps the person using it结束 发表于 2025-3-28 21:12:37
http://reply.papertrans.cn/83/8229/822884/822884_42.png上下倒置 发表于 2025-3-28 23:53:46
H. Hensel,K. Schafer there was a need to develop a device to do the mathematics quickly. This led to the invention of the abacus, the device many believe was the mother of the digital computer as we know it today, between 1000 B.C. and 500 B.C.Without performing actual calculations, the abacus helps the person using it打击 发表于 2025-3-29 03:41:31
http://reply.papertrans.cn/83/8229/822884/822884_44.pngMingle 发表于 2025-3-29 10:33:05
D. McK Kerslake there was a need to develop a device to do the mathematics quickly. This led to the invention of the abacus, the device many believe was the mother of the digital computer as we know it today, between 1000 B.C. and 500 B.C.Without performing actual calculations, the abacus helps the person using itgiggle 发表于 2025-3-29 13:18:23
K. Cena there was a need to develop a device to do the mathematics quickly. This led to the invention of the abacus, the device many believe was the mother of the digital computer as we know it today, between 1000 B.C. and 500 B.C.Without performing actual calculations, the abacus helps the person using itInterstellar 发表于 2025-3-29 18:57:46
http://reply.papertrans.cn/83/8229/822884/822884_47.pngCpr951 发表于 2025-3-29 23:05:10
http://reply.papertrans.cn/83/8229/822884/822884_48.png–吃 发表于 2025-3-30 02:37:03
http://reply.papertrans.cn/83/8229/822884/822884_49.png羞辱 发表于 2025-3-30 04:38:46
http://reply.papertrans.cn/83/8229/822884/822884_50.png