展开 (13,-3,4)x(8,-4,3)

解答

展开

(13, - 3, 4) x (8, - 4, 3)

13 x, 8, - 13 x, 4, 3 - 3 x, 4 \cdot 8, 3, 4 \cdot 4, 3

求解步骤

(13, - 3, 4) x (8, - 4, 3)

= (13, - 3 \cdot 4,) (8, - 4 \cdot 3,) x

乘开

(13, - 3, 4) (8, - 4, 3) : 13, 8, - 13, 4, 3 - 3, 4 \cdot 8, 3, 4 \cdot 4, 3

= x (13, 8, - 13, 4, 3 - 3, 4 \cdot 8, 3, 4 \cdot 4, 3)

乘开

x (13, 8, - 13, 4, 3 - 3, 4 \cdot 8, 3, 4 \cdot 4, 3) : 13 x, 8, - 13 x, 4, 3 - 3 x, 4 \cdot 8, 3, 4 \cdot 4, 3

= 13 x, 8, - 13 x, 4, 3 - 3 x, 4 \cdot 8, 3, 4 \cdot 4, 3

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