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efectuati calculele 879+363÷11-25×36
16×16-975÷75-9×27
15×18-490÷70-261
56×72:126+222-88


Răspuns :

879+363÷11-25×36=
879+33-650=
912-650=262

16×16-975÷75-9×27=
256-13-243=
243-243=0

15×18-490÷70-261=
270-7-261=
263-261=2

56×72:126+222-88=
4032:126+134=
32+134=166