Ответ:
xy(x2-y2)/2(y-x) *3(x-y)/x2-y2=3xy(x-y)/2(y-x)
x=4 y=1/4
3*4*1/4(4-1/4):2(1/4-4)=3*15/4:-15/2=45/3*-2/15=-3/2=-1 1/2
Объяснение:
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Ответ:
xy(x2-y2)/2(y-x) *3(x-y)/x2-y2=3xy(x-y)/2(y-x)
x=4 y=1/4
3*4*1/4(4-1/4):2(1/4-4)=3*15/4:-15/2=45/3*-2/15=-3/2=-1 1/2
Объяснение: