https://mathweb.ru/allsystem.html?id=299809

Умножить 01010001001.01111(2) на 10010100011,1010(2) = 010111100010011111101.0101001100 Столбиком

Введите два числа и укажите их основание системы счиления:

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

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

Ответ: 01010001001.01111₂ * 10010100011.1010₂ = 010111100010011111101.0101001100₂