Ответ:(1 - 2/3):(3 1/4 - 5/6)*(3/5 + 1 9/10 + 2/5) = 1)1 - 2/3=3/3 - 2/3=1/3
2)3 1/4 - 5/6= 3 1/24 - 5/24=2 25/24 - 5/24=2 1/2 3)3/5 + 1 9/10 + 2/5= 6/10 + 1 9/10 + 4/10= 1 19/10=2 9/10
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Ответ:(1 - 2/3):(3 1/4 - 5/6)*(3/5 + 1 9/10 + 2/5) = 1)1 - 2/3=3/3 - 2/3=1/3
2)3 1/4 - 5/6= 3 1/24 - 5/24=2 25/24 - 5/24=2 1/2 3)3/5 + 1 9/10 + 2/5= 6/10 + 1 9/10 + 4/10= 1 19/10=2 9/10