5272道题目5525 条题源记录 · 相同内容已合并
二次式展开・配方与等价形式挑战
Which expression is equivalent to 8xy + 24x2y + 32xy2 ?
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二次式展开・配方与等价形式进阶
Which expression is equivatent to \( 3x^2+2x \) ?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 10x^{2}+130? \)
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 19\left(x^2-6\right) \) ?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 11x^3+2x^2+3x \) ?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 19\left(x^2-8\right) \) ?
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二次式展开・配方与等价形式进阶
The expression \( 54y^5-36y^4 \) is equivalent to \( ry^4\left(9y-6\right) \), where r is a constant. What is the value of r?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 8\left(x^2+6\right) \)?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( 6x\left(x+3\right) \)?
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二次式展开・配方与等价形式挑战
The expression \( 6x^4+17x^2+7 \) can be rewritten as \( \left(3x^2+a\right)\left(2x^2+b\right) \), where a and b are positive integers, or as \( \left(3x^2+c\right)\left(2x^2+d\right) \), where c and d are positive nonintegers. What is the value of a+c?
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二次式展开・配方与等价形式进阶
If\( \left(\frac{1}{2}x-\frac{33}{2}\right)^2-64=0 \), what is the value of \( \left(x-33\right)^2 \)?
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二次式展开・配方与等价形式进阶
Which expression is equivalent to \( \left(w+7\right)\left(3w-10\right) \)?
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