Răspuns :

320-15•16-[1800▪︎(18•2-36•6)+9•7]÷

320-15•16-[1800•(36-36×6)+9+7]=

320-15×16-(1800-216-36+9+7)=

320-15×16-(1584-36+9+7)=

320-15×16-(1548+9+7)=

320-15×16-(1557+7)=

320-15×16-1564=

320-240-1564=

1564-80=1484.

Sper ca am ajutat!!

320-15×16-[1.800×(18×2-36×6)+9×7]

18×12=36

36×6=72

36-72=-36

9×7=63

1.800×(-36)=-64.800+63=−64.737

15×16=240-64.737=64.977

320-64.977=−64.657