Ответ:
- \(64+26=90\); \(90\cdot0.03=2.7\); \(2.7-1.8=0.9\).
- \(0.4\cdot13=5.2\); \(5.2-3.6=1.6\); \(1.6+7.7=9.3\).
- \(0.7-0.34=0.36\); \(0.36\cdot10=3.6\); \(3.6+1.5=5.1\).
- \(6.8+2.7=9.5\); \(9.5-5.9=3.6\); \(3.6\cdot0.1=0.36\).
Ответ: 1) 0,9; 2) 9,3; 3) 5,1; 4) 0,36.
