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скр2283321337
@скр2283321337
November 2021
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решите пожалуйста СРОООЧНО (д е ж з)
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tan4ik3107
Д) -5/8- (-7/12)= -5/8 + 7/12= -5*6/48 + 7*4/48= -30/48+28/48=-2/48= - 1/24
е) 5/9 -2 = 5/9 - 1 9/9= -1 4/9
ж) -7 7/24 - 4 13/16= - 7 2*7/48 - 4 23*3/48= -7 14/48 - 4 46/48= -11 - 60/48= -11-1 12/48= -12 12/48 = -12 1/4
з) -3 3/14-(-2 5/6)= - 3 3/14 + 2 5/6= -3 3*3/42 + 2 5*7/42= -3 9/42 + 2 35/42= -2 51/42 + 2 35/42= - 16/42= - 8/21
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Answers & Comments
е) 5/9 -2 = 5/9 - 1 9/9= -1 4/9
ж) -7 7/24 - 4 13/16= - 7 2*7/48 - 4 23*3/48= -7 14/48 - 4 46/48= -11 - 60/48= -11-1 12/48= -12 12/48 = -12 1/4
з) -3 3/14-(-2 5/6)= - 3 3/14 + 2 5/6= -3 3*3/42 + 2 5*7/42= -3 9/42 + 2 35/42= -2 51/42 + 2 35/42= - 16/42= - 8/21