(1)[(x-y)²]³*[(y-x)²]³怎么算(2)(0.5*3又2/3)的199次方*(-2*a³)³ (3)(负1/2abc)*2/3a²b²*(负3/5bc³) (4)(1/2x)²*(-4y²)+(½xy)² (5)(
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![(1)[(x-y)²]³*[(y-x)²]³怎么算(2)(0.5*3又2/3)的199次方*(-2*a³)³ (3)(负1/2abc)*2/3a²b²*(负3/5bc³) (4)(1/2x)²*(-4y²)+(½xy)² (5)(](/uploads/image/z/1730824-16-4.jpg?t=%EF%BC%881%EF%BC%89%5B%28x-y%29%26%23178%3B%5D%26%23179%3B%2A%5B%28y-x%EF%BC%89%26%23178%3B%5D%26%23179%3B%E6%80%8E%E4%B9%88%E7%AE%97%EF%BC%882%EF%BC%89%EF%BC%880.5%2A3%E5%8F%882%2F3%EF%BC%89%E7%9A%84199%E6%AC%A1%E6%96%B9%2A%EF%BC%88-2%2Aa%26%23179%3B%EF%BC%89%26%23179%3B+%EF%BC%883%EF%BC%89%EF%BC%88%E8%B4%9F1%2F2abc%EF%BC%89%2A2%2F3a%26%23178%3Bb%26%23178%3B%2A%EF%BC%88%E8%B4%9F3%2F5bc%26%23179%3B%EF%BC%89+%EF%BC%884%EF%BC%89%EF%BC%881%2F2x%EF%BC%89%26%23178%3B%2A%EF%BC%88-4y%26%23178%3B%EF%BC%89%2B%EF%BC%88%26%23189%3Bxy%EF%BC%89%26%23178%3B+%EF%BC%885%EF%BC%89%EF%BC%88)
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(1)[(x-y)²]³*[(y-x)²]³怎么算(2)(0.5*3又2/3)的199次方*(-2*a³)³ (3)(负1/2abc)*2/3a²b²*(负3/5bc³) (4)(1/2x)²*(-4y²)+(½xy)² (5)(
(1)[(x-y)²]³*[(y-x)²]³怎么算
(2)(0.5*3又2/3)的199次方*(-2*a³)³ (3)(负1/2abc)*2/3a²b²*(负3/5bc³) (4)(1/2x)²*(-4y²)+(½xy)² (5)(-2x)²*(-4y²)+(1/2xy)² (6)(-2x²y)(-2xy²)²+(2xy)³*(xy²) (7)1/5x²y*(-5xy)²-(-2x)³*xy³ (8)x(x-2)-2x(x+1)-3x(x-5) (9)2y(y²+3y-2)-3(y³+2y²-y+1)
(1)[(x-y)²]³*[(y-x)²]³怎么算(2)(0.5*3又2/3)的199次方*(-2*a³)³ (3)(负1/2abc)*2/3a²b²*(负3/5bc³) (4)(1/2x)²*(-4y²)+(½xy)² (5)(
次幂先后顺序可以交换,所以[(x-y)²]³*[(y-x)²]³=(x-y)^12.
(0.5*3又2/3)的199次方*(-2*a³)³=(0.5*(3+2/3))^199*(-2*a³)³=-(11/6)^199*8*a^9=.等等