29+(54:9+36:9)+(45-15):5=

Răspuns :

29+(54:9+36:9)+(45-15):5=
29+(6+4)+30:5=
29+10+6=
39+6=
45
29 + (54 : 9 + 36 : 9) + (45 - 15) : 5 =

= 29 + (6 + 4) + 30 : 5

= 29 + 10 + 6

= 39 + 6

= 45