Н16
1) 101010+1101=110111
2) 1010+1010=10100
3) 10101+111=11100
н17
1) 1010*11=11110
2) 111*101=100011
3) 1010*111=1000110
н19
1) (1111101(2)+AF(16))/36(8) = 125(10)+175(10)/30(10) = 10(10)
2) 125(8)+101(2)*2A(16)-141(8) = 85(10)+5(10)*42(10)-97(10) = 198(10)