Correct option is C
Option (c): Interchange − and +
The equation becomes: 396÷2×4+217−74=935
Let's solve this:
396 ÷ 2 × 4 + 217 − 74 = 935
198 × 4 + 217 - 74 = 935
792 + 217 - 74 = 935
1009 - 74 = 935
935 = 935
This gives the correct result.