同分母分数减法计算题
1619-619=379-279=1079-779=1029-529=1288-1188=1013-613=1011-211=1729-1629=470-270=938-238=532-232=1526-526=1-215=947-647=1059-659=531-431=1138-438=660-460=1480-1380=452-352=1559-359=1151-651=1556-1456=1444-1344=842-642=630-230=1318-218=796-596=1365-265=634-534=921-621=758-358=1849-949=537-437=976-476=1785-885=1467-1067=716-616=891-691=1421-921=1478-678=1-712=1489-589=78-58=1895-295=1587-1187=514-314=1094-294=1-23=1185-685=611-411=1471-971=628-228=846-246=1786-1186=1-46=1922-422=1596-296=921-321=679-379=1934-1234=1640-240=1042-242=411-211=1185-385=1284-684=348-248=1378-778=1834-1234=1618-1118=633-333=1998-1498=817-617=781-381=811-611=1149-749=782-282=78-48=1635-735=415-215=351-251=717-217=1455-755=544-444=1699-399=851-751=1949-1549=920-720=1576-1376=1078-678=1864-1064=1567-867=1067-467=1344-1044=38-28=543-443=1241-341=682-382=1731-631=666-566=1868-1468=947-247=56-36=1571-1371=711-511=725-525=1645-1045=1083-683=357-257=1796-1096=1495-1095=1875-1175=1683-383=926-326=541-241=1318-318=930-630=1526-326=1265-465=1256-756=1078-278=416-216=990-890=1096-696=1767-1067=1088-588=798-598=1955-1155=1262-662=891-591=854-554=568-468=1056-356=346-246=640-540=460-260=646-246=715-415=1259-1059=1-1718=1665-565=1636-1036=935-835=1073-973=776-276=429-329=1442-1142=1085-285=1853-1553=1216-616=1464-264=1189-489=631-531=1155-555=697-297=1143-1043=993-893=1074-674=476-276=1224-824=1320-1220=1267-367=1346-246=1172-372=735-335=1537-537=1659-459=1457-457=775-675=899-799=1239-739=1361-361=1365-565=35-25=537-237=1577-577=1348-1048=1840-1640=1393-993=1861-561=1278-778=926-426=382-282=1739-939=424-324=621-321=1397-1197=1737-1237=359-259=867-667=1272-672=1678-1578=1797-1297=1590-1390=1989-1089=1723-1623=1925-725=1373-773=1931-631=814-314=1099-299=1581-781=1748-248=1623-1223=1430-830=1722-322=1112-812=1576-476=643-443=1769-1369=1951-951=1684-1584=760-660=1230-630=740-440=495-395=1165-765=1316-1116=1663-563=1342-942=963-263=540-340=342-242=1756-1456=1798-798=1730-1630=553-453=1678-1278=1727-627=355-255=1244-444=1955-1055=1383-683=1318-818=999-299=45-35=661-461=316-216=1258-1058=812-612=1087-787=1530-1130=810-210=1525-725=475-375=1730-1330=1359-759=480-380=986-686=1224-924=1725-725=1056-856=530-330=1843-1143=845-345=1229-1029=1922-1222=664-264=624-224=1454-1054=1819-219=1581-1281=1291-291=370-270=49-29=944-544=1888-1488=832-232=538-238=1883-283=944-844=1186-286=719-419=1-79=1171-1071=592-392=1456-756=391-291=1668-368=1123-423=1450-650=571-371=1326-1026=49-39=1427-527=1690-1290=864-764=731-631=1261-961=1756-956=1461-1061=412-212=1738-1238=1332-532=791-491=934-234=1333-933=1345-545=1331-631=458-358=1148-848=1473-573=1128-428=338-238=1086-486=568-368=1011-611=1560-1260=1445-845=758-658=1651-951=385-285=1343-1143=1147-347=1547-1347=1184-1084=899-499=1463-963=673-473=362-262=1721-321=1068-268=57-37=910-510=48-28=59-49=1785-1385=838-638=1843-443=1073-473=869-269=1291-391=1417-817=1345-645=763-363=1480-680=651-351=1245-245=642-342=1174-374=1074-974=1329-729=593-293=711-611=1476-1176=353-253=741-341=384-284=1-35=1290-690=933-633=1499-899=325-225=1117-317=1647-1347=1448-848=637-237=1933-1533=1577-977=650-350=1168-668=1743-1643=912-312=1532-332=679-279=690-590=811-411=79-29=1168-868=37-27=1283-383=419-319=1050-850=498-298=1113-613=1549-849=896-296=1475-475=499-399=1733-833=792-292=916-416=323-223=519-219=1118-418=611-311=1069-869=1069-469=585-485=1726-1226=1271-471=1334-1034=991-391=572-472=668-468=412-312=1150-850=685-385=1039-239=1746-1346=1661-861=1752-352=721-321=742-542=841-441=1859-1759=1358-858=851-551=1793-293=1494-1094=926-526=1631-931=1214-714=1-68=1779-279=1765-1365=640-440=1696-1096=985-885=874-574=886-586=1921-1021=67-37=966-566=650-450=1347-247=473-273=1073-773=629-329=1625-325=1-89=1561-561=1867-1167=1096-596=1563-663=1298-1198=848-648=39-29=1664-1464=1664-764=826-326=1163-1063=617-517=1033-233=1339-939=1279-279=1718-1418=1971-1771=975-475=1133-533=1589-1389=1-37=349-249=644-244=1692-992=694-494=1464-464=1599-1299=1378-478=1325-625=1037-737=796-296=449-249=1872-1172=1654-954=960-860=1190-690=343-243=776-476=1213-213=1830-1130=1988-1388=480-280=1648-648=1692-1292=1186-1086=1056-956=1855-655=56-26=1257-957=