Ответ:
(3 5/6 - 1 2/3): 5/18 = 7.8
1) 3 5/6 - 1 2/3 = 3 5/6 - 1 4/6 = 2 1/6
2) 2 1/6 : 5/18 = 13/6 : 5/18 = 13•18/5•6 = 234/30 = 7.8
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Ответ:
(3 5/6 - 1 2/3): 5/18 = 7.8
1) 3 5/6 - 1 2/3 = 3 5/6 - 1 4/6 = 2 1/6
2) 2 1/6 : 5/18 = 13/6 : 5/18 = 13•18/5•6 = 234/30 = 7.8