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Симка007
@Симка007
July 2022
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1 7\12+5 6\7:(2 2\5-3 4\7)=? Четвёртое задание.
Помогите пожалуйста как можно быстрее! Спасибо.
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VasiaZozulia
1 8/11 + 2 2/19 * (1 4/5 - 2 3/4)
1)1 4/5 - 2 3/4 = 9/5 - 11/4 = (9*4 - 11*5)/20 = -19/20
2)2 2/19 * (-19)/20 = 40/19 * (-19)/20 = -2
3) 1 8/11 +(-2) = 19/11 - 2 = -3/11
1 8/11 + 2 2/19 * (1 4/5 - 2 3/4) = 1 8/11 + 2 2/19 * (-19/20) = 1 8/11 - 2 = -3/11
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GreedKun
Уверена..
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Answers & Comments
1)1 4/5 - 2 3/4 = 9/5 - 11/4 = (9*4 - 11*5)/20 = -19/20
2)2 2/19 * (-19)/20 = 40/19 * (-19)/20 = -2
3) 1 8/11 +(-2) = 19/11 - 2 = -3/11
1 8/11 + 2 2/19 * (1 4/5 - 2 3/4) = 1 8/11 + 2 2/19 * (-19/20) = 1 8/11 - 2 = -3/11
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