1F
1.220000+300000-400000=1200002.35000+60000-50000=450003.250000+80000-310000=200004.50000+41000-45000=460005.7000+21000=280006.462000-150000=312000400000+80000=480000300000+0=300000120000+45000+21000+150000=33600060000+41000=101000480000+101000=581000300000+336000=636000