银行游戏-蒙台梭利.doc

。银行游戏加法不进位：1234+2345=2136+1323=4213+2146=7628+2131=3673+3214=5632+3125=2341+1523=8023+1252=5621+1324=4781+1116=5623+1231=6234+2133=1634+2351=5132+1323=6132+2142=5228+2101=3253+3213=5232+3125=2807+2131=1077+3211=6022+2133=进位：1238+2813=52137+1624=4216+5235=1329+5712= 6349+1753=2358+1234=2637+2835=3256+4256=5159+2364=7128+1525=2437+4126= 3417+2417=4638+3626=5263+5377=6413+2732=1539+3725=1519+2326=4238+2647=3239+5327=2648+4248=1259+6218=3649+2359= 6274+1538=减法 不退位：2344-1231=4356-2312=6543-4321=7322-4211=8788-4322=9433-8123=6456-5321=8654-4323=5325-4322=8764-3423=6755-4322=7654-3423=6532-5312=7642-6341=7853-6432=7698-3214=5319-2317=7342-1231=7524-5121=8754-5312=9633-2521=7535-2431=8756-2543=9642-5211=8685-5321=7735-2221=9865-5312=5528-2417=8895-4424=5674-2341=减法退位：4232-3542=5421-3574=2341-1531=4424-3763=2417-2408=5312-4557=6755-4387=7654-3428=6532-5712=7642-6391=7853-6478=7698-3714=5319-2417=7342-1531=7524-5621=8754-5382=2344-1235=4356-2362=6543-4721=7322-4291=8788-4392=9433-8193=6456-5521=8654-4363=5325-4372=8764-3483=8633-2721=7935-2461=8756-2573=9642-5281=乘法进位：1554=1893=1234=1534=1245=2343=2562=1786=1985=1974=1962=1954=1743=1635=1674=2687=1696=1605=2646=3274=1763=1782=1802=1484=2294=1604=1254=1285=1217=1264=乘法不进位：24=30313233343536373839 414243444546474849515253545565575859506178797077767574737271888980909192939495969