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rezolvarea ex: 34-2×(2600+76:x):893=28

Răspuns :

34-2×(2600+76:x):893=28
34-2×(2600+76:x)=893×28
34-2×(2600+76:x)=25004
2×(2600+76:x)=25004+34
2×(2600+76:x)=25038
(2600+76:x)=25038:2=12519
76:x=12519-2600
76:x=9919
x=9919:76