Required materials: QQ five-stroke input method.

First of all, the first method is relatively simple. Hold down the Alt key, and then enter "0 188" on the keyboard. Release Alt key to enter "?" .

Second, the second method is to insert a symbol input device of Chinese input method? (Most commonly used Chinese input methods have their own symbol input devices. Take QQ Wu Bi as an example.). Right-click "keyboard" on the status bar of input method, and click "symbol input device" in the menu.

3. After turning on the symbol input device, find "Math/Unit" in the list and click.

4. Find "?" In the symbol column on the right. , click to insert.