Пошаговое объяснение:
1 5/6а+2 1/4а=а(1 5/6+2 1/4)=
=а(1 10/12+2 3/12)=а(3 13/12)=
=а•4 1/12=49/12•а
а=6/11 ; 49/12•6/11=49/22=2 5/22
а=4/9 ; 49/12•4/9=49/27=1 22/27
а=6 ; 49/12•6=49/2=24 1/2
а=4 ; 49/12•4=49/3=16 1/3
а=12; 49/12•12=49
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Verified answer
Пошаговое объяснение:
1 5/6а+2 1/4а=а(1 5/6+2 1/4)=
=а(1 10/12+2 3/12)=а(3 13/12)=
=а•4 1/12=49/12•а
а=6/11 ; 49/12•6/11=49/22=2 5/22
а=4/9 ; 49/12•4/9=49/27=1 22/27
а=6 ; 49/12•6=49/2=24 1/2
а=4 ; 49/12•4=49/3=16 1/3
а=12; 49/12•12=49