https://mathweb.ru/allsystem.html?id=290594

Умножить 1000101,001000010100(2) на 101(2) = 101011001.101001100100000000000000 Столбиком

Введите два числа и укажите их основание системы счиления:

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

Ответ: 1000101.001000010100₂ * 101₂ = 101011001.101001100100000000000000₂