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calculeaza ,respectand ordinea efectuarii operatiilor a) 20+7*8 b)25+5*4-12c)83-12:3+4

Răspuns :

20+7x8=
20+56=76

25+5x4-12=
25+20-12=63

83-12:3+4=
83-4+4=83

20+7x8=20+56=76

25+5x4-12=24-20-12=32

83-12:3+4=83-4+4=83