https://mathweb.ru/allsystem.html?id=299190

Умножить 110100101.0101011100(2) на 101.001(2) = 100001101111.01011101111000000000 Столбиком

Введите два числа и укажите их основание системы счиления:

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

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

Ответ: 110100101.0101011100₂ * 101.001₂ = 100001101111.01011101111000000000₂