https://mathweb.ru/allsystem.html?id=299164

Умножить 1100,100011001100(2) на 100000,101000010100(2) = 110011001.011111111010011111110000 Столбиком

Введите два числа и укажите их основание системы счиления:

x																				1	1	0	0	.	1	0	0	0	1	1	0	0	1	1	0	0
x																		1	0	0	0	0	0	.	1	0	1	0	0	0	0	1	0	1	0	0
+																					0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																				0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																			1	1	0	0	1	0	0	0	1	1	0	0	1	1	0	0
																		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																	1	1	0	0	1	0	0	0	1	1	0	0	1	1	0	0
																0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
															0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
														0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
													0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
												1	1	0	0	1	0	0	0	1	1	0	0	1	1	0	0
											0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
										1	1	0	0	1	0	0	0	1	1	0	0	1	1	0	0

									0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
								0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
							0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
						0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
					0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
				1	1	0	0	1	0	0	0	1	1	0	0	1	1	0	0
				1	1	0	0	1	1	0	0	1.	0	1	1	1	1	1	1	1	1	0	1	0	0	1	1	1	1	1	1	1	0	0	0	0

Ответ: 1100.100011001100₂ * 100000.101000010100₂ = 110011001.011111111010011111110000₂