02-Big friend Practice Leave a Comment / By Naresh / August 1, 2025 Welcome to your 02-Big friend Practice 1. 31 + 2 + 9 + 7 2. 80 + 5 + 4 + 6 3. 37 + 5 + 6 - 7 4. 59 - 5 + 6 + 7 5. 11 + 9 + 4 + 7 6. 19 + 8 + 1 + 3 7. 27 + 3 + 9 + 6 8. 56 + 4 + 9 + 1 9. 37 - 2 + 4 + 8 10. 72 + 7 + 3 - 2 1 out of 1