4. Записать римскими цифрами числа: 1) 3, 4, 8, 15, 19, 26, 34, 40, 52, 87, 90, 99, 400, 2800, 3426; 2) 2, 4, 7, 9, 18, 19, 34, 77, 90, 199, 450, 725, 980, 2649.

1) \(3=III\), \(4=IV\), \(8=VIII\), \(15=XV\), \(19=XIX\), \(26=XXVI\), \(34=XXXIV\), \(40=XL\), \(52=LII\), \(87=LXXXVII\), \(90=XC\), \(99=XCIX\), \(400=CD\), \(2800= MMDCCC\), \(3426=MMMCDXXVI\).

2) \(2=II\), \(4=IV\), \(7=VII\), \(9=IX\), \(18=XVIII\), \(19=XIX\), \(34=XXXIV\), \(77=LXXVII\), \(90=XC\), \(199=CXCIX\), \(450=CDL\), \(725=DCCXXV\), \(980=CMLXXX\), \(2649=MMDCXLIX\).