8×[2+(4+a)÷3]=48 |:8
[2+(4+a):3]= 6 |*3
[2+(4+a)]= 18
6+a=18
a= 18-6
a= 12
Baftă!
Cerinta :
8×[2+(4+a)÷3]=48
Raspuns :
8 × [ 2 + ( 4 + a ) : 3 ] = 48,
[ 2 + ( 4 + a ) : 3 ] = 48 : 8,
[ 2 + ( 4 + a ) : 3 ] = 6,
[ 2 + ( 4 + a ) ] = 6 x 3,
[ 2 + ( 4 + a ) ] = 18,
4 + a = 18 - 2,
4 + a = 16,
a = 16 - 4
a = 12
