8.Calculati, respectând ordinea efectuarii operatiilor:
5 x 5 + 4x4 + 3 x 3 -
8 x 2 + 6 x 4 - 27
78 - 3 x 4 + 9x7
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Răspuns:
5×5+4×4+3×3=25+16+9=50
8×2+6×4-27=16+24-27=40-27=13
78-3×4+9×7=78-12+63=129
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Salutare!
a)
5•5+4•4+3•3=25+16+9=41+9=50
b)
8•2+6•4-27=16+24-27=40-27=13
c)
78-3•4+9•7=78-12+63=66+63=129
#Succes!
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