Question

resposta de 3+{3x[3x(3+3)]}

Answer 1

3 + {3.[3.(3+3)]}
3+ { 3. [3 . 6]}
3 + {3 . 18}
3 + 54 = 57             ok

Answer 2

oi boa tarde

3+{3x[3x(3+3)]}=57