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Afla necunoscute le: 8x8-32-(6xi-51)-(40-2x10)=3x3

Răspuns :

64-32-(6×i-51)-(40-20)=
=9
32-(6×i-51)-20=9
32-(6×i-51)=20+9
32-(6×i-51)=29
6×i-51=32-29
6×i-51=3
6×i=51+3
6×i=54
i=54:6
i=9
sper ca team ajutat