综合练习四

练习内容

4712365869\n5823476971\n6934587182\n7145698293\n8256719314\n9367821425\n1478932536\n2589143647\n3691254758\n4823476971\n5934587182\n6145698293\n7256719314\n8367821425\n9478932536\n1589143647\n26912547