In step 1th, open the Word2010 document window and switch to the Insert Ribbon. Click the formula button (not the Formula Drop-down button) in the symbol group, as shown in Figure 1.
Figure 1 Click the formula button
Step 2nd, create a blank formula frame in the Word2010 document, in the formula Tools/Design Ribbon, click the Radical button in the symbol group, and select the desired radical form in the list of open radicals, such as selecting two square roots, as shown in Figure 2.
Figure 2 Selecting the radical form
Step 3rd, insert the radical structure in a blank formula frame, click the placeholder box and then lose the specific value, as shown in Figure 3.
Figure 3 Enter the exact value of the radical formula
Tip: In the radical structure provided by Word2010, two commonly used radical instances are built, namely "root formula of one-and two-time equations" and "Pythagorean Theorem". Users can select the radical instance directly as needed.