6+[15-8:gx7+7+=8:(1 x 4)+(3x3) aflati termenul necunoscut

Răspuns :

6+[15-8:x 7+7)]x 5 =8:(1 x 4)+(3x3)
6+[15-8:gx7+7]x5=8:4+9
6+[15-8:gx7+7]x5=2+9=11
[15-8:gx7+7]x5=11-6=5
[15-8:gx7+7]=5:5=1
8:gx7+7=15-1=14
8:gx7=14-7=7
8:g=7:7=1
g=8:1=8
g=8