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Alexiatod16
a fost răspuns

Clasa a Vll-a
Ex 1
Va rog


Clasa A Vlla Ex 1 Va Rog class=

Răspuns :

2,(03)+1,5-0,(6)-0,8(63)=67/33+3/2-2/3-19/22=
=(67*2+3*33-2*22-19*3)/66=
=(134+99-44-57)/66=
=132/66=2 m

2,(03)=(203-2)/99=201/99=67/33
1,5=15/10=3/2
0,(6)=6/9=2/3
0,8(63)=(863-8)/990=855/990=171/198=19/22