初一数学题 一共八道 求速度!!急急急急急急急急啊!!要过程的哦(1)-p·(-p)⁴ (2)(a²)³ ·(a³)² (3)(t的m次方)² ·t (4)(x⁴)六次方-(x³)八次方 (5)(xy⁴)m (6)-(p²q)n次方 (7)(xy的3n次方)²+(xy的六次方)n次方 (8)(-3x³)²-[(2x)²]³
2019-05-07
初一数学题 一共八道 求速度!!急急急急急急急急啊!!要过程的哦(1)-p·(-p)⁴ (2)(a²)³ ·(a³)² (3)(t的m次方)² ·t (4)(x⁴)六次方-(x³)八次方 (5)(xy⁴)m (6)-(p²q)n次方 (7)(xy的3n次方)²+(xy的六次方)n次方 (8)(-3x³)²-[(2x)²]³
优质解答
(1)-p·(-p)⁴=-p*p⁴=-p 5 (2)(a²)³ ·(a³)²=a 6 *a 6 =a 12 (3)(t的m次方)² ·t=t 2m t=t 2m+1 (4)(x⁴)六次方-(x³)八次方=X 24 -X 24 =0 (5)(xy⁴)m=x m y 4m (6)-(p²q)n次方=-p 2n q n (7)(xy的3n次方)²+(xy的六次方)n次方=x 2 y 6n +xy 6n (8)(-3x³)²-[(2x)²]³=9x 6 -8X 6 =X 6
(1)-p·(-p)⁴=-p*p⁴=-p 5 (2)(a²)³ ·(a³)²=a 6 *a 6 =a 12 (3)(t的m次方)² ·t=t 2m t=t 2m+1 (4)(x⁴)六次方-(x³)八次方=X 24 -X 24 =0 (5)(xy⁴)m=x m y 4m (6)-(p²q)n次方=-p 2n q n (7)(xy的3n次方)²+(xy的六次方)n次方=x 2 y 6n +xy 6n (8)(-3x³)²-[(2x)²]³=9x 6 -8X 6 =X 6