40÷{20÷[7+(36÷4÷3+2×4)÷9]+8}+4

Răspuns :

Răspuns:

40:(20:(7+(3+8):9)+8)+4=

40:(20:(7+11):9)+8)+4=

40:(20:(18:9)+8)+4)=

40:(20: 2+8))+4=

40:10+8+4=

4+12=

16