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Calculati diferenta numerelor x si y in fiecare caz.
A)x=12,83+3,723 si y= 81,23-68,9
B) x=147,27-18,39 si y=2,415+0,09
C)x=52,671+125,02-50,05 si y=93,2-3,92+4,6
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Răspuns :

Andrasamara
a) x=12,83+3,723=16,553
    y= 81,23-68,9=12,33;
x-y=16,553-12,33=4,223
b) x=147,27-18,39=128,88
    y= 2,415+0,09=2,505
x-y= 128,88-2,505=126,375
c) x=52,671+125,02-50,05=127,641
    y=93,2-3,92+4,6=93,88
x-y=33,761;

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