(9/22 + 1 12/33)·1,32 - 8/13 · 0,1625 = 1,54
1) 9/22 + 1 12/33 = 27/66 + 1 24/66 = 1 51/66
2) 1 51/66 ·1,32 = 127/66 ·66/50 = 127/50 = 2,54
3) 8/13 · 0,1625 = 8/13 · 13/8 = 1
4) 2,54 - 1 = 1,54
(8 7/12 - 2 17/36)·2,7 - 4 1/3 : 0,65 = 9 5/6
1) 8 7/12 - 2 17/36 = 8 21/36 - 2 17/36 = 6 4/36 = 6 1/9
2) 6 1/9 ·2,7 = 55/9 · 27/10 = 165/10 = 16 1/2
3) 4 1/3 : 0,65 = 13/3 : 13/20 = 20/3 = 6 2/3
4) 16 1/2 - 6 2/3 = 16 3/6 - 6 4/6 = 15 9/6 - 6 4/6 = 9 5/6
(1 11/24 + 13/36)·1,44 - 8/15 · 0,5625 = 2,32
1)1 11/24 + 13/36 = 1 33/72 + 26/72 = 1 59/72
2) 1 59/72 ·1,44 = 131/72 · 36/25 = 131/50 = 2 31/50 = 2,62
3) 8/15 · 0,5625 = 8/15 · 9/16 = 3/10 = 0,3
4) 2,62 - 0,3 = 2,32