👤
Cucu98
a fost răspuns

27:[26+(6×a-7×3):9]+(13-2×2×3)=2


Cât face???
cu rezolvare.

Răspuns :

Ima6
27:[26+(6×a-21):9]+(13-12)=2
27:[26+(6×a-21):9]+1=2
27:[26+(6×a-21):9]=2-1
27:[26+(6×a-21):9]=1
26+(6×a-21):9=27:1
26+(6×a-21):9=27
26+(6×a-21)=27:9
26+(6×a-21)=3
6×a-21=26-3
6×a-21=23
6×a=23-21
6×a=2
a=6:2
a=3

Alte intrebari