Problem
\[ \begin{array}{r} 715 \\ +\quad 214 \\ \hline \end{array} \] Solving Steps \( \uparrow \) (1) Add the ones digits: \( 5+4=9 \). (2) Add the tens digits, including carryover from the ones digit: \( 1+1+1=3 \). (3) Add the hundreds digit: \( 7+2=9 \). (4) Combine the digits to get the final answer: 929.
Solution
Step 1 ：(1) \( 5+4=9 \)
Step 2 ：(2) \( 1+1+1=3 \)
Step 3 ：(3) \( 7+2=9 \)
