Ответ:
1. \(7\,\text{га} = 70,000\,\text{м}^2\), \(6\,\text{га}\,14\,\text{а} = 61,400\,\text{м}^2\), \(24\,\text{а} = 2,400\,\text{м}^2\). 2. \(340,000\,\text{м}^2 = 34\,\text{га}\), \(56\,\text{км}^2 = 5,600\,\text{га}\), \(4\,\text{км}^2\,17\,\text{га} = 417\,\text{га}\). 3. \(22\,\text{га} = 2,200\,\text{а}\), \(7\,\text{га}\,14\,\text{а} = 714\,\text{а}\), \(47,500\,\text{м}^2 = 475\,\text{а}\), \(3\,\text{км}^2\,12\,\text{га}\,7\,\text{а} = 3,127\,\text{а}\). 4. \(640\,\text{а} = 6\,\text{га}\,40\,\text{а}\), \(58,400\,\text{м}^2 = 5\,\text{га}\,84\,\text{а}\).
