1)а)860(10) = 1101011100(2)
860= 1534(8)
860= 35C
б)149375(10) =100100011101111111(2)
149375(10) =443577(8)
149375(10) = 2477F(16)
2)а)1001010(2) = 74(10)
б)775.11(8) = 509.140625(10)
3)а)110110(2)+ 1011(2) = 1000001(2)
б)271.34(8) + 156.2(8) = 447.54(8)
в)65(16) + 3CA(16) = 42F(16)
4)а)1001(2) − 1000(2) = 1(2)
б)731.6(8) − 622.6(8) = 107(8)
в)22D(16) − 123(16) = 10A(16)
5)а)1001(2) × 1011(2) = 1100011(2)
б)723(8) × 50(8) = 44370(8)
в)69(16) × A(16) = 41A(16)