2412×124= 2\frac{4}{12}\times1\frac{2}{4}= 2124×142=
314 3\frac{1}{4} 341
312 3\frac{1}{2} 321
3515×2210= 3\frac{5}{15}\times2\frac{2}{10}= 3155×2102=
723 7\frac{2}{3} 732
713 7\frac{1}{3} 731
346×224= 3\frac{4}{6}\times2\frac{2}{4}= 364×242=
916 9\frac{1}{6} 961
9 9 9
41012×2210= 4\frac{10}{12}\times2\frac{2}{10}= 41210×2102=
101930 10\frac{19}{30} 103019
102130 10\frac{21}{30} 103021
146×128= 1\frac{4}{6}\times1\frac{2}{8}= 164×182=
2112 2\frac{1}{12} 2121
11112 1\frac{11}{12} 11211
168×226= 1\frac{6}{8}\times2\frac{2}{6}= 186×262=
4112 4\frac{1}{12} 4121
4312 4\frac{3}{12} 4123
226×1410= 2\frac{2}{6}\times1\frac{4}{10}= 262×1104=
3415 3\frac{4}{15} 3154
3515 3\frac{5}{15} 3155
139×224= 1\frac{3}{9}\times2\frac{2}{4}= 193×242=
112 1\frac{1}{2} 121
313 3\frac{1}{3} 331
128×1714= 1\frac{2}{8}\times1\frac{7}{14}= 182×1147=
178 1\frac{7}{8} 187
158 1\frac{5}{8} 185
1412×1414= 1\frac{4}{12}\times1\frac{4}{14}= 1124×1144=
167 1\frac{6}{7} 176
157 1\frac{5}{7} 175
21020×1416= 2\frac{10}{20}\times1\frac{4}{16}= 22010×1164=
318 3\frac{1}{8} 381
328 3\frac{2}{8} 382
369×3420= 3\frac{6}{9}\times3\frac{4}{20}= 396×3204=
111115 11\frac{11}{15} 111511
8915 8\frac{9}{15} 8159