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exercitile 1 2 de la 3. dau coroana

Exercitile 1 2 De La 3 Dau Coroana class=

Răspuns :

1. 0, 1, 2, 3, 4, 5.
2. 7 kg
1)[tex] \frac{x+2}{8} [/tex]
8-2=6
6-2=4
4-2=2
2-2=0
⇒x={0,2,4,6}

2)mai intai aduc fractia in numere
[tex] \frac{1}{2} [/tex]=1÷2=0,5

2kg+0,5kg+3kg+1kg+0,5=7kg
5kg+1kg+1kg=7kg
6kg+1kg=7kg