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2X 500 - [ 80 + ( 247 X 4 - 801:9) - 300] =​

Răspuns :

Răspuns:

2 ×500 - [80+(988-801:9)-300]

2×500-[80+(990-89)-300]

2×500-(80+901 - 300)

2×500-(981-300)

2×500 - 681

1000-681

319