Ma ajuta cineva va rog la aceste doua exercitii
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Răspuns:
6. 27+39= 66 43+55=98
43+20=63 62+35=97
- pare: 66, 98;
-impare: 63, 97.
7. a) 26- 9==>17+15==>32
b) 16+16==>32-5==>27
c) 55-15==> 40-14==>26