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(40×5-30×6):2+(90×2:6)×7=​

Răspuns :

Răspuns:

40

Explicație pas cu pas:

(40x5-30x6) :2+(90x2:6) =

(200-30x6) :2+(90x2:6)=

(200-180) :2+(90x2:6)=

20:2+(90x2:6) =

20:2+(180:6) =

20:2+30=

10+30=

40