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Aduna numerele a caror cincime sunt numerele 10,2,8,4,9,7.

Răspuns :

10×5=50
2×5=10
8×5=40
4×5=20
9×5=45
7×5=35
50+10+40+20+45+35=200
10×5=50
2×5=10
8×5=40
4×5=20
9×5=45
7×5=35
50+10+40+20+45+35=200