Moldovanuamelia2009ask
a fost răspuns

e 2.6+2.5+2.9;
5.10+5.3+7.5;
2.8+8.3+5.8;
f) 3.10 -3.4-3.2;
9
9.20-9.6-7.9;
8.6-3.8-82;
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Răspuns :

Mar8aaask

Răspuns:

2.6+2.5+2.9=12+10+18=40

5.10+5.3+7.5=50+15+35=100

2.8+8.3+5.8=16+24+40=80

3.10-3.4-3.2=30-12-6=12

9.20-9.6-7.9=180-54-63=63

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