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Care este rezultatul calculului:
20+10×{30+200:[70-480:(90-40:4)]}


Răspuns :

20+10x{30+200:[70-480:(90-40:4)]}=351,25
1)40:4=10
2)90-10=80
3)480:80=6
4)70-6=64
5)200:64=3,125
6)30+3,125=33,125 
7)10x33,125=331,25
8)20+331,25=351,25