Only Geniuses Can Solve This Math Puzzle in 10 Seconds

**5 × 5 − 5 + 5 ÷ 5 = 21** **Explanation (in English and without spacing):** AccordingtoPEMDASwemultiplyanddividefirstfromlefttoright:5×5=25and5÷5=1.Thenwesubtractandaddfromlefttoright:25−5=20,20+1=21. **FinalAnswer:21**