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ex.3. Ofer coroană!!!! Repede!!!

Ex3 Ofer Coroană Repede class=

Răspuns :

RiRa
2 × 3= 6
4 x 3= 2 x 2 x 3= 2 x 6 = 6 + 6= 12
8 x 3 = 2 x 4 x 3= 2 x 12= 12 + 12= 24
2 x 4 = 8
4 x 4= 2 x 2 x 4 = 2 x 8= 8 +8 = 16
8 x 4= 2 x 4 x 4= 2 x 16 = 16 + 16= 32
2x3=6
4x3=2x2x3=2x6=6+6=12
8x3=2x4x3=2x12=12+12=24
2x4=8
4x4=2x2x4=2x8=8+8=16
8x4=2x4x4=2x16=16+16=32

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