https://mathweb.ru/allsystem.html?id=146603

Умножить 100000001,01001(2) на 10111.001101011100(2) = 1011101010011.011111001101111000000000 Столбиком

Введите два числа и укажите их основание системы счиления:

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

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

Ответ: 100000001.01001₂ * 10111.001101011100₂ = 1011101010011.011111001101111000000000₂