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2x320+331x2+2x149 =
2x428-2x117+2x190 =
1512:54+125:5=
(19.500+6.250 ):25=


Răspuns :

1)2x320+331x2+2x149=1600;
2)2x428-2x117+2x190=862;
3)1512:54+125:5=53;
4)(19.500+6.250 ):25=1030.