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efectueaza:
a)1000-25×25+35×35:5=
b)2015+100:4×75-123:1=
c)5×(50×20-12×56)-800×2=
d)150×(1015-975)-(975-88:8)=



Răspuns :

1000-625+35.7=375+245=620
2015+25*75-123=2015+1875-123=3890-123=3767
5*1000-672-1600=2728
150*40-975-11=6000-975-11=5014