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caluleaza a ,plus b. plus c stiiind ca: a egal 199plus 80:2 b egal 63 ori 2plus129 cegal 81:9plus 7ori 5

Răspuns :

a)199+80÷2=239
b)63×2+129=255
c)81÷9+7×5=44
a+b+c=239+255+44=538
daca nu ai paranteze,,rezolvi impartire sau inmultire apoi adunare sau scadere.