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Pb 9 dau coroana si 10 p

Pb 9 Dau Coroana Si 10 P class=

Răspuns :

400 × 5 = 2000 zboruri face o randunica in 5 zile
2000+2000 = 40000 zboruri face 2 randunele in 5 zile

Raspuns corect B
b.4000
1 randunica in 5 zile face 2000 zboruri
adica 5x400=2000
iar 2 randunici 2000x2=4000