Bob Brown MSEE
Full Member
- Joined
- Oct 25, 2012
- Messages
- 598
7 7
7 × 1 + 1 × 2 9
9 × 2 – 2 × 3 12
12 × 3 + 3 × 4 48
48 × 4 – 4 × 5 172 ✓
172 × 5 + 5 × 6 890
7 × 1 + 1 × 2 9
9 × 2 – 2 × 3 12
12 × 3 + 3 × 4 48
48 × 4 – 4 × 5 172 ✓
172 × 5 + 5 × 6 890
