Marker-4670
Marker-6512
Marker-4067
Marker-3638
Marker-5601
Marker-7666
Marker-3119
Marker-3854
Marker-6168
Marker-6324
Marker-4571
Marker-1357
Marker-9896
Marker-9364
Marker-9693
Marker-4791
Marker-2669
Marker-8902
Marker-3232
Marker-6374
Marker-9506
Marker-9388
Marker-2051
Marker-9892
Marker-9221
Marker-9387
Marker-6458
Marker-3583
Marker-8073
Marker-7294
Marker-5499
Marker-1793
Marker-7094
Marker-3115
Marker-6644
Marker-4721
Marker-1810
Marker-9365
Marker-3707
Marker-7532
Marker-8874
Marker-9602
Marker-3702
Marker-7942
Marker-6983
Marker-3450
Marker-6148
Marker-5143
Marker-6688
Marker-5891
Marker-2261
Marker-2697
Marker-1927
Marker-9226
Marker-1622
Marker-7488
Marker-3383
Marker-2349
Marker-3097
Marker-9245
Marker-4309
Marker-1073
Marker-9504
Marker-5429
Marker-1774
Marker-2619
Marker-3114
Marker-3982
Marker-8437
Marker-6810
Marker-3266
Marker-1514
Marker-1539
Marker-5758
Marker-4119
Marker-3999
Marker-5220
Marker-1934
十进制计数器 - 标准数位表示
Marker-7473
Marker-4911
Marker-4584
Marker-7919
Marker-6697
Marker-9626
Marker-7424
Marker-2786
Marker-4929
Marker-9112
Marker-3729
Marker-4834
Marker-1925
Marker-1188
Marker-1170
Marker-9271
Marker-5535
Marker-6781
Marker-7018
Marker-5626
Marker-8966
Marker-8419
Marker-6252
Marker-7778
Marker-7587
Marker-7804
Marker-4201
Marker-4415
Marker-5945
Marker-2095
Marker-7874
Marker-1411
Marker-4922
Marker-9999
Marker-1313
Marker-2695
Marker-9294
Marker-9937
Marker-1908
Marker-6391
Marker-3332
Marker-2512
Marker-6778
Marker-2517
Marker-3610
Marker-5561
Marker-7306
Marker-5669
Marker-4530
Marker-5330
Marker-2584
Marker-9300
Marker-7562
🧮 十进制计数器
点击珠子区域计数，观察标准数位表示法
🔄 重置
➕ 增加数位
🐌 慢速
💡
标准数位表示法：
•
最高位不为0
：如数字5，只显示个位的5，十位不显示
•
非最高位用0占位
：如数字100，百位显示1，十位和个位都显示0
•
满十进一
：当某位达到10时，自动进位到高位
• 点击任意数位珠子区域进行计数，观察正确的数位表示
Marker-3970
Marker-3302
Marker-5652
Marker-8179
Marker-1935
Marker-6662
Marker-8834
Marker-5684
Marker-7607
Marker-8066
Marker-1625
Marker-9730
Marker-7772
Marker-7496
Marker-8285
Marker-8979
Marker-7859
Marker-6959
Marker-7406
Marker-3560
Marker-6046
Marker-2868
Marker-5658
Marker-6972
Marker-2229
Marker-4797
Marker-4382
Marker-8557
Marker-3269
Marker-1245
Marker-7147
Marker-5383
Marker-5275
Marker-3319
Marker-1305
Marker-2112
Marker-6968
Marker-6421
Marker-3220
Marker-9415
Marker-1201
Marker-5157
Marker-7518
Marker-2251
Marker-3328
Marker-2481
Marker-6152
Marker-9372
Marker-8284
Marker-2128
Marker-8327
Marker-7711
Marker-7907
Marker-2311
Marker-5662
Marker-9387
Marker-9839
Marker-1243
Marker-4687
Marker-9149
Marker-3129
Marker-9379
Marker-6050
Marker-9779
Marker-5580
Marker-2178
Marker-5926
