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[20+2x(110-20) ]:10+2x4=

[72:(8x2-40:5) +91]:(7+3) =


Ajutor dau coroana!!


Răspuns :

(20+2x90):10+2x4
(20+180):10+2x4
200:10+2x4
20+8=28

((72:(16-8)+91)):10
(72:8+91):10
(9+91):10
100:10=10


vezi ca (( inseamna paranteza patrata

[20+2*(110-20)]:10+2*4=28

[72:(8*2-40:5)+91]:(7+3)=9