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190302
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n=$$2^{5}$$*$$3^{4}$$*$$5^{3}$$*$$7^{2}$$*11 .How many positive factors does n have?
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190302
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The area of a circle is $$\frac{9π^{2}}{4}$$. What is the diameter of the circle?
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190215 还原机经选题
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$$\frac{0.00048*10^{n}}{4^{2}}$$ < 2*10^{18}.n is an integer. What is the maximum value of n?
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191222 730高分节-数学测试
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$$ 1 + x + x ^ { 2 } + x ^ { 3 } + x ^ { 4 } < \frac { 1 } { 1 - x } ?$$
(1)x<1
(2)x>0
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190124
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$$y_1$$=$$x^{2}$$-3,$$y_2$$=2x+5,is $$y_1$$ > $$y_2$$ ?
1:x > -2
2:x < 4
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190113
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Is x a negative number?
(1) $$x^{3}$$ < $$x^{2}$$
(2) $$x^{3}$$ < $$x^{4}$$
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190321
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x=3/2,y=1/2,$$\frac{x^4y^2-x^2y^4}{x^2+y^2}$$ = ?
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What is the value of xy?(1)$${2}^{(x+y)}=4$$(2)$${2}^{(x+3y)}=16$$
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Is $$x > k$$?(1)$${2}^{x}*{2}^{k}={4}$$(2)$${9}^{x}*{3}^{k}={81}$$
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If x and y are positive, is 3x ＞ 7y?(1)x ＞ y + 4(2)-5x＜ -14y
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Is |v-x|＜8(1)v and x are integers.(2)|v|= 4 and |x|= 6
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PREP07 Test 1
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If x and y are integers and $${3}^{x-4}={3}^{y+2}$$, what is y in terms of x ?
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If $$0\le x\le 4$$ and y＜ 12, which of the following CANNOT be the value of xy?
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Magoosh
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If $$ W=\sqrt{\frac{1}{16}},x=(\frac{1}{100})^\frac{1}{3}and y=(\frac{1}{4})^{-2}then$$
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Which if the following is a possible value of y- 4 if $$({3}{y}-{8})^{2}={2},{500}$$?
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Two positive numbers differ by 12 and their reciprocals differ by$$\frac{4}{5}$$ What is their product?
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If $${x}^{2}={2}{y}^{3}$$ and 2y = 4, what is the value of $${x}^{2}+{y}^{2}$$?
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Which if the following is a possible value of y- 4 if $$({3}{y}-{8})^{2}={2},{500}$$?
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PREP07 Test 1
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If wx = y, what is the value of xy ?(1) $$wx^2 = 16$$(2) y = 4
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PREP07 Test 2
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What is the number of different committees of 4 people that can be selected from a group of 10 people?
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