Question

(4+2 la puterea 192:2 la puterea 188):5

Answer 1

(4+2 la puterea 192:2 la puterea 188):5=(4+2 la puterea 4):5=(4+16):5=20:5=4

Answer 2

 $...=(4+2^{192-188}):5=(4+2^4):5=20:5=4$