(关于幂的乘方和积的乘方)计算:1.(m^2)^3 ·(2m)^4 ·(m)^22.(-x^4)^5 +(x^10)^2 -3[(-x)^2]^43.0.6a^2 ·1/4 a^2b^3 -(-10a^4)·b^34.2/3(x-y)^3 ·9/4(x-y)^5 ·7/15(y-x)^8到底是谁对啊?
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![(关于幂的乘方和积的乘方)计算:1.(m^2)^3 ·(2m)^4 ·(m)^22.(-x^4)^5 +(x^10)^2 -3[(-x)^2]^43.0.6a^2 ·1/4 a^2b^3 -(-10a^4)·b^34.2/3(x-y)^3 ·9/4(x-y)^5 ·7/15(y-x)^8到底是谁对啊?](/uploads/image/z/1922330-2-0.jpg?t=%28%E5%85%B3%E4%BA%8E%E5%B9%82%E7%9A%84%E4%B9%98%E6%96%B9%E5%92%8C%E7%A7%AF%E7%9A%84%E4%B9%98%E6%96%B9%EF%BC%89%E8%AE%A1%E7%AE%97%EF%BC%9A1.%28m%5E2%29%5E3+%C2%B7%282m%29%5E4+%C2%B7%28m%29%5E22.%28-x%5E4%29%5E5+%2B%28x%5E10%29%5E2+-3%5B%28-x%29%5E2%5D%5E43.0.6a%5E2+%C2%B71%2F4+a%5E2b%5E3+-%28-10a%5E4%29%C2%B7b%5E34.2%2F3%28x-y%29%5E3+%C2%B79%2F4%28x-y%29%5E5+%C2%B77%2F15%28y-x%29%5E8%E5%88%B0%E5%BA%95%E6%98%AF%E8%B0%81%E5%AF%B9%E5%95%8A%3F)
(关于幂的乘方和积的乘方)计算:1.(m^2)^3 ·(2m)^4 ·(m)^22.(-x^4)^5 +(x^10)^2 -3[(-x)^2]^43.0.6a^2 ·1/4 a^2b^3 -(-10a^4)·b^34.2/3(x-y)^3 ·9/4(x-y)^5 ·7/15(y-x)^8到底是谁对啊?
(关于幂的乘方和积的乘方)
计算:
1.(m^2)^3 ·(2m)^4 ·(m)^2
2.(-x^4)^5 +(x^10)^2 -3[(-x)^2]^4
3.0.6a^2 ·1/4 a^2b^3 -(-10a^4)·b^3
4.2/3(x-y)^3 ·9/4(x-y)^5 ·7/15(y-x)^8
到底是谁对啊?
(关于幂的乘方和积的乘方)计算:1.(m^2)^3 ·(2m)^4 ·(m)^22.(-x^4)^5 +(x^10)^2 -3[(-x)^2]^43.0.6a^2 ·1/4 a^2b^3 -(-10a^4)·b^34.2/3(x-y)^3 ·9/4(x-y)^5 ·7/15(y-x)^8到底是谁对啊?
1.
(m^2)^3 ·(2m)^4 ·(m)^2
=(m^2*3)*2^4*m^4*m^2
=m^6*2^4*m^4*m^2
=m^(6+2+4)*2^4
=16m^12
3.
0.6a^2 ·1/4 a^2b^3 -(-10a^4)*b^3
=6/10a^2 ·1/4 a^2b^3 -(-10a^4)*b^3
=6/10a^2 ·1/4 a^2b^3-(-10a^4*b^3)
=6/10a^2 ·1/4 a^2b^3+10a^4*b^3
=6/10*1/4*a^2*a^2*b^3+10a^4*b^3
=3/20a^4b^3+10a^4*b^3
=a^4*b^3(3/20+10)
=10又3/20*a^4*b^3
4.
2/3(x-y)^3 ·9/4(x-y)^5 ·7/15(y-x)^8
=2/3(x-y)^3 ·9/4(x-y)^5 ·7/15(x-y)^8
=(2/3·9/4·7/15)·(x-y)^3·(x-y)^5 ·(x-y)^8
=7/5*(x-y)^(3+5+8)
=7/5*(x-y)^16