Question

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EXERSEZ
Calculeaza, respectând ordinea efectuării operațiilor.
a) 25 +97 - 72
b) 72 :8 56
46 - 19+ 55
9 x 4 + 36
185 – 82 + 39
28 : 4 + 15
c) 427 + 95 - 157 - 152 + 739
584 +1 009 - 274 +6 230
325 + 183 x 3- 136
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Answer 1

a) 25+97-72=122-72=50

46-19+55=27+55=82

185-82+39=103+39=142

b) 72:8×56=9×56=504

9×4+36=36+36=72

28:4+15=7+15=22

c) 427+95-157-152+739=522-157-152+739=365-152+739=

=213+739=952

584+1009-274+6230=1593-274+6230=1319+6230=7549

325+183×3-136=325+549-136=874-136=738