初一下期整式除法题(1)计算(-3/5x^2y^3)/(3x^2y)(2)(10a^4b^3c^2)/(5a^3bc)(3)(2x^2y)^3 × (-7xy^2)/(14x^4y^3)(4)(2a+b)^4/(2a+b)^2(5)x^2m+1y^3(n+1)z^4/(x^my)/(-2/3x^m+1y^nz^3)(6)(6x^2y^3)^2/(3xy^2)^2(7)一个氧原子弹质量约是2.657×10^-2
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![初一下期整式除法题(1)计算(-3/5x^2y^3)/(3x^2y)(2)(10a^4b^3c^2)/(5a^3bc)(3)(2x^2y)^3 × (-7xy^2)/(14x^4y^3)(4)(2a+b)^4/(2a+b)^2(5)x^2m+1y^3(n+1)z^4/(x^my)/(-2/3x^m+1y^nz^3)(6)(6x^2y^3)^2/(3xy^2)^2(7)一个氧原子弹质量约是2.657×10^-2](/uploads/image/z/9954889-25-9.jpg?t=%E5%88%9D%E4%B8%80%E4%B8%8B%E6%9C%9F%E6%95%B4%E5%BC%8F%E9%99%A4%E6%B3%95%E9%A2%98%281%29%E8%AE%A1%E7%AE%97%28-3%2F5x%5E2y%5E3%29%2F%283x%5E2y%29%282%29%2810a%5E4b%5E3c%5E2%29%2F%285a%5E3bc%29%283%29%282x%5E2y%29%5E3+%C3%97+%28-7xy%5E2%29%2F%2814x%5E4y%5E3%29%284%29%282a%2Bb%29%5E4%2F%282a%2Bb%29%5E2%285%29x%5E2m%2B1y%5E3%28n%2B1%29z%5E4%2F%28x%5Emy%29%2F%28-2%2F3x%5Em%2B1y%5Enz%5E3%29%286%29%286x%5E2y%5E3%29%5E2%2F%283xy%5E2%29%5E2%287%29%E4%B8%80%E4%B8%AA%E6%B0%A7%E5%8E%9F%E5%AD%90%E5%BC%B9%E8%B4%A8%E9%87%8F%E7%BA%A6%E6%98%AF2.657%C3%9710%5E-2)
初一下期整式除法题(1)计算(-3/5x^2y^3)/(3x^2y)(2)(10a^4b^3c^2)/(5a^3bc)(3)(2x^2y)^3 × (-7xy^2)/(14x^4y^3)(4)(2a+b)^4/(2a+b)^2(5)x^2m+1y^3(n+1)z^4/(x^my)/(-2/3x^m+1y^nz^3)(6)(6x^2y^3)^2/(3xy^2)^2(7)一个氧原子弹质量约是2.657×10^-2
初一下期整式除法题
(1)计算(-3/5x^2y^3)/(3x^2y)
(2)(10a^4b^3c^2)/(5a^3bc)
(3)(2x^2y)^3 × (-7xy^2)/(14x^4y^3)
(4)(2a+b)^4/(2a+b)^2
(5)x^2m+1y^3(n+1)z^4/(x^my)/(-2/3x^m+1y^nz^3)
(6)(6x^2y^3)^2/(3xy^2)^2
(7)一个氧原子弹质量约是2.657×10^-23千克,一个氢原子弹质量约是1.67×10^-24千克,一个氧原子弹的质量约是一个氢原子弹质量的多少倍?
(8)计算[(4x-1/2y)^2+y(x-y/4)]/(8x)
初一下期整式除法题(1)计算(-3/5x^2y^3)/(3x^2y)(2)(10a^4b^3c^2)/(5a^3bc)(3)(2x^2y)^3 × (-7xy^2)/(14x^4y^3)(4)(2a+b)^4/(2a+b)^2(5)x^2m+1y^3(n+1)z^4/(x^my)/(-2/3x^m+1y^nz^3)(6)(6x^2y^3)^2/(3xy^2)^2(7)一个氧原子弹质量约是2.657×10^-2
(1)-1/5y^2
(2)2ab^2c
(3)-4x^3y^2
(4)(2a+b)^2
(5)-2/3y^2(n+1)z
(6)4x^2y^2
(7)(2.657×10^-23)/(1.67×10^-24)=15.91
(8)2x-3/8y