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Verificati rezultatele exercitiilor,efectuand calculele.
a) 100:(4x5) + 75 x (2+7) =680
b) 4x7x25-100x2:2=600
c) 4x75+8:(3+1)x2=604
d) [(21+42)x3]+[4x(18+12)]=150[tex]repede \leq \leq \leq \beta \alpha [/tex]
Va rog!!cine raspunde primul primeste coroana!!


Răspuns :

100:20+75x9=5+675=680 corect
b)28x25-200:2=700-100=600
c)300+8:4x2=300+2x2=304
d) 63x3 +4x30=189+120=309