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GMAT考满分·题库

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来源	题目内容
191031	If $$xa^4+yb^3=5$$,then x+y=? (1)$$xa^4 =x$$ (2) $$yb^3 = y$$
Magoosh	What is the sum of all possible solutions of the equation$$\|x + 4\|^{2} - 10\|x + 4\| = 24?$$
181215	($$\frac{1}{2} - \frac{1}{3}$$)+($$\frac{1}{3} - \frac{1}{4}$$)+($$\frac{1}{4} - \frac{1}{5}$$)=?
Ready4	In the xy-coordinate plane, is point Q equidistant from points (4, 4) and (-2, 4)? The x-coordinate of point Q is 1. Point Q lies on the line $y = 4$ .
PREP07 Test 2	Tanya prepared 4 different letters to be sent to 4 different addresses. For each letter, she prepared an envelope with its correct address. If the 4 letters are to be put into the 4 envelopes at random, what is the probability that only 1 letter will be put into the envelope with its correct address?
Ready4	How many integers that have a value less than $<font color='#FE8080'>4</font>$ satisfy the inequality $(y+1)(y+2)(y+<font color='#FE8080'>4</font>) \geq 0$ ?
Ready4	How many of the integers that satisfy the inequality $(y+1)(y+2)(y+<font color='#FE8080'>4</font>) \geq 0$ are less than $<font color='#FE8080'>4</font>$ ?
Ready4	If $\|x-\frac{3}{<font color='#FE8080'>4</font>}\| < \frac{9}{<font color='#FE8080'>4</font>}$ , which of the following could be a value of $x$ ?
300难题	What is the value of x ? 1.$$4^{x+1}$$ +$$4^{x}$$ =320 2.$$x^{2}$$=9
190215	f(x)=a$$(x+h)^{2}$$+k.a=? 1:f(2)=2 2:f(-1)=-4,f(x) ≤ 4
190215	$$a^{2}$$ - $$b^{2}$$=21.$$a^{4}$$ - $$b^{4}$$=? 1:a+b=-3 2:a-b=7
PREP07 Test 2	If \|x + 2\| = 4, what is the value of x ?(1) x^2 ≠ 4(2) x^2 = 36
OG19-定量推理	What is the value of $$2^{x}+2^{-x}$$? (1) X > 0 (2) $$4^{x}+4^{-x}=23$$
OG15 OG16 OG17 OG18	Is $${4}^{x+y}={8}^{10}$$ ?(1) x-y= 9(2) $$\frac{y}{x}=\frac{1}{4}$$
	Cultivated Farmland The diagram shows two bar charts representing Country X's allocation for farmland in terms of percentages of and number of acres. The right side is a magnification of a portion of the bar chart to the left. Fill each blank using the drop-down menu to create the most accurate statement on the basis of the information provided. A) Cultivated Arable Land comprises {0} % of Country X's Farmland. B) According to the diagram, there are {1} M acres allocated for corn production.
190113	$$\frac{1}{2}$$($$\sqrt{3}$$+$$\sqrt{7}$$)+2$$\frac{1}{\sqrt{3}+\sqrt{7}}$$=?
191222	What's the value of [(3√32 - 4√2) /√8 ]^2?
	If $${x}≠{0}$$, then $$({x}+\frac1 x)^{2}-({x}-\frac1 x)^{2}=$$
	If $$x\neq$$ 0, then $$({x}+\frac{1}{x})^{2}-({x}-\frac{1}{x})^{2}=$$
Manhattan	If the side length of Square B is twice that of Square A, the area of Square B is how many times the area of Square A?