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NikolDey
@NikolDey
August 2022
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4/15 у+2,8=6,3-3/20 у
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akiraNight
4\15 у + 2,8 = 6,3 - 3\20 y
4\15y + 3\20y = 6,3 - 2,8
4\15y + 3\20y = 16\60 + 9\60 = 25\60y=5\12y
6,3 - 2,8 = 3,5 3 ,5 = 3ц 5\10 = 3 ц 1\2
5\12y = 3ц 1\2
y = 3 ц1\2 : 5\12 = 7\2 : 5\12 = 7\2 x 12\5 =42\5 =8ц 2\5 = 8,4
y = 8ц2\5 = 8,4
4 votes
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akiraNight
спасибо
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Answers & Comments
4\15y + 3\20y = 6,3 - 2,8
4\15y + 3\20y = 16\60 + 9\60 = 25\60y=5\12y
6,3 - 2,8 = 3,5 3 ,5 = 3ц 5\10 = 3 ц 1\2
5\12y = 3ц 1\2
y = 3 ц1\2 : 5\12 = 7\2 : 5\12 = 7\2 x 12\5 =42\5 =8ц 2\5 = 8,4
y = 8ц2\5 = 8,4