1. 0.456 + 0.3241 = N
2. 0.00673 + 0.003012 = N
3. 0.367 + 0.1237 + 0.50121 = N
4. 0.73452 +0.23 + 0.321 = N
5. 0.6321 + 0.576 + 0.0012 = N​