1) 6,6 * 1,6 = 10,56
2) 10,56 : 1,32 = 8
3) 6 2/11 * 5,5 = 68/11 * 55/10 = 34
4) 34 : 17 = 2
5) 8 : 2 = 4
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1) 11,1 : 3 = 3,7
2) 3,7 - 2 1/6 = 37/10 - 13/6 = 111/30 - 65/30 = 46/30
3) 46/30 : 1 2/21 = 46/30 : 23/21 = 14/30
4) 3 5/6 + 1,5 = 23/6 + 15/10 = 115/30 + 45/30 = 160/30
5) 160/30 * 3/4 = 40/10 = 4
6) 14/30 : 4 = 7/60