reshite plz uravnenie
nomer1
(x-1)*(x-1,5)=0
1) imeet odin koren
2)imeet dva kornya
3)imeet tri kornya
4)ne imeet kornei

nomer 2

chtobi naiti vse znacheniya a, pri kotorix znacheniya virajeni 4a-1 i 8a-13 bili ravni, nujno reshit uravnenie
1)4a=8
2)4a-1=8a
3)4a-1=8a-13
4)8a-1=4a-13
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