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a fost răspuns

Calculati rapid grupând convenabil factorii inmltirii:

5x8x2x9=

17x50x2x7=

8x4x25x6=

25x4x50x2=

Răspuns :

5x8x2x9=(5x8)x(2x9)=40x18=720
17x50x2x7=(50x2)x(17x7)=100x119=11900
8x4x25x6=(25x4)x(8x6)=100x48=4800
25x4x50x2=(25x4)x(50x2)=100x100=10000

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