Odpowiedź:
1. 8x8+(9x8)x4=64+72x4=64+288=352cm
2. odp: D, bo( 7 × 7 × √3 )÷ 4x4=( 7 × 7 × √3 )=49√3
3.(14x12)x3+12x12=84x3+72=324cm
4. nie wiem
5.A
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Zad 5 D
Więcej nie wiem
Odpowiedź:
1. 8x8+(9x8)x4=64+72x4=64+288=352cm
2. odp: D, bo( 7 × 7 × √3 )÷ 4x4=( 7 × 7 × √3 )=49√3
3.(14x12)x3+12x12=84x3+72=324cm
4. nie wiem
5.A