十位数货币一

练习内容

1000\n1500\n2000\n2500\n3000\n3500\n4000\n4500\n5000\n5500\n6000\n6500\n7000\n7500\n8000\n8500\n9000\n9500\n1200\n1800\n2300\n2800\n3300\n3800\n4300\n4800\n5300\n5800\n6300\n6800