https://mathweb.ru/allsystem.html?id=335702

Умножить 1100101.0000001010(2) на 10100.0011001100(2) = 11111111000.01010001011111111000 Столбиком

Введите два числа и укажите их основание системы счиления:

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

Ответ: 1100101.0000001010₂ * 10100.0011001100₂ = 11111111000.01010001011111111000₂