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40+3×36:9+3×[50+3×)
400:8-98:2)]


Răspuns :

40+3×36:9+3[50+3(50-49)] =
= 40+3×36:9+3(50+3×1)
= 40+3
40+3x36:9+3x
+[50+3x(50-49)]=40+3x36:9+3x(50+3x1)=40+108:9+3x53=40+12+159=211