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1-|107x5-(714:7-792:8)x178|=

1-|4x250-(3+564:3+39-4x55)x99|:10=

va rog mult



Răspuns :

1-[535-(102-99)x178]=
1-(535-3x178=1-535+534=0
1-[1000-(3+188+39-220)x99]:10=
1-(1000-10x99):10=
1-(1000-990):10=
1-10:10=
1-1=0