Ответ:58000 : 1000 = 58.4560 × 100 = 456000.839100 : 100 = 8391.561000 : 1000 = 561.678000 : 10 = 67800.4561 × 100 = 456100.452000 : 1000 = 452.872100 : 100 = 8721.23 × 1000 = 23000.