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violetta1591
@violetta1591
July 2022
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Раскройте скобки и упростите выражения:
а) 7/8*(4-x)-(3/4+x)
б) -(3/19-y)-1/2(y+2/19)
в) -7/13*(26/27+x)-(4/9-x)
г) -(1/16-y)+3/4(1/8+y)
Помогите пожалуйста срооочно!!!!!!
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Answers & Comments
selmash21
А)=7/2-7/8х-3/4-х=14/4-3/4-1 7/8х=11/4-1 7/8х= =2 3/4-1 7/8х
б)=-3/19+у-1/2у-1/19=-4/19+1/2у
в)=-14/27-7/13х-4/9+х=-14/27-12/27+6/13х= =-26/27+6/13х
г)=-1/16+у+3/32+3/4у=-2/32+3/32+1 3/4у=
=1/32+1 3/4у
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Answers & Comments
б)=-3/19+у-1/2у-1/19=-4/19+1/2у
в)=-14/27-7/13х-4/9+х=-14/27-12/27+6/13х= =-26/27+6/13х
г)=-1/16+у+3/32+3/4у=-2/32+3/32+1 3/4у=
=1/32+1 3/4у