(2,7+1 1/7-1 4/5)×1 53/67

Question

(2,7+1 1/7-1 4/5)×1 53/67

Answer 1

(2.7+11/7-1 4/5)*1 53/67
(27/10+11/7-4/5)*53/67
243/70*53/67
12879/4690
2 3499/4690 или ≈2,74606

Answer 2

2.7+1.58-2.8×2.29= −2.132