26 11/63
Пошаговое объяснение:
-2 1/8 ·(-1 29/51)+(-1 23/42)·3 1/3 -(-4 2/3)·6=3 1/3 -1 23/42 ·3 1/3 +28=3 1/3 ·(1-1 23/42)+28=10/3 ·(-23/42)+28=(-5·23)/(3·21) +28=-115/63 +28=-1 52/63 +27 63/63=26 11/63
1. -2 1/8 ·(-1 29/51)=17/8 ·80/51=10/3=3 1/3
2. -(-4 2/3)·6=14/3 ·6=14·2=28
26 11/63
Пошаговое объяснение:
-2 1/8 ·(-1 29/51)+(-1 23/42)·3 1/3 -(-4 2/3)·6=3 1/3 -1 23/42 ·3 1/3 +28=3 1/3 ·(1-1 23/42)+28=10/3 ·(-23/42)+28=(-5·23)/(3·21) +28=-115/63 +28=-1 52/63 +27 63/63=26 11/63
1. -2 1/8 ·(-1 29/51)=17/8 ·80/51=10/3=3 1/3
2. -(-4 2/3)·6=14/3 ·6=14·2=28