Răspuns :

Salut!

40+[(30+400×4:10)+100+40-80]=290

40+[(30+400×4:10)+100+40-80]=290=40+[(30+1600:10)+100+40-80]

40+[(30+400×4:10)+100+40-80]=290=40+[(30+1600:10)+100+40-80]=40+[(30+160)+100+40-80]

40+[(30+400×4:10)+100+40-80]=290=40+[(30+1600:10)+100+40-80]=40+[(30+160)+100+40-80]=40+(190+100+40-80)

40+[(30+400×4:10)+100+40-80]=290=40+[(30+1600:10)+100+40-80]=40+[(30+160)+100+40-80]=40+(190+100+40-80)=40+(290+40-80)

40+[(30+400×4:10)+100+40-80]=290=40+[(30+1600:10)+100+40-80]=40+[(30+160)+100+40-80]=40+(190+100+40-80)=40+(290+40-80)=40+(330-80)

40+[(30+400×4:10)+100+40-80]=290=40+[(30+1600:10)+100+40-80]=40+[(30+160)+100+40-80]=40+(190+100+40-80)=40+(290+40-80)=40+(330-80)=40+250

40+[(30+400×4:10)+100+40-80]=290=40+[(30+1600:10)+100+40-80]=40+[(30+160)+100+40-80]=40+(190+100+40-80)=40+(290+40-80)=40+(330-80)=40+250=290

#Succes!

Salutare!

40+[(30+20×20×4:10)+100+20×2-2×40]=

40+[(30+400×4:10)+100+40-80]=

40+[(30+1 600:10)+100+40-80]=

40+[(30+160)+100+40-80]=

40+(190+100+40-80)=

40+(290+40-80)=

40+(330-80)=

40+250=

290

#Succes!