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来源	题目内容
Magoosh	At Joe's candy store, the total cost of 1 gumball and 1 lollipop is $0.74. The total cost of 1 chocolate bar and 1 lollipop is $0.92. The total cost of 1 gumball and 1 chocolate bar is $1.24. What is the cost in dollars of 1 chocolate bar?
	What is the value of $${p}^{r}$$?(1)$$p = 1$$(2)$$r = 1$$
Magoosh	Is x > y?(1) x - y - 1 > 0(2) x - y + 1 > 0
190215	1 < x < 1. Is y > $$x^{2}$$？ 1：y > 0 2：y > x
Ready4	If $q$ and $s$ are integers, is $q(s+<font color='#FE8080'>1</font>)$ even? (1) $q+<font color='#FE8080'>1</font>$ is odd. (2) $s+<font color='#FE8080'>1</font>$ is even.
	What is the value of x ?(1) ( \|x\| – 1)(x – 2) = 0(2) -1 ≤ x ≤ 1
OG18-数学分册	If xy > 0, does (x -1)(y -1) = 1?(1) x + y = xy(2) x =y
Ready4	$((\frac{<font color='#FE8080'>1</font>}{3})^{-4})^{-0.25} - ((\frac{<font color='#FE8080'>1</font>}{3})^4)^{0.25}=$
PREP07 Test 2	For all numbers x such that $$x \neq 1$$, if g(x) is defined by $$g(x)={{x^2+2}\over{x-1}}$$, then ($${{1}\over{g(2)}}$$)($${{1}\over{g(x)}})$$=?
Ready4	It would take one machine 4 hours to complete a large production order and another machine 3 hours to complete the same order. How many hours would it take both machines, working simultaneously at their respective constant rates, to complete the order?
Ready4	For which of the following functions $g$ is $g(x)=g(<font color='#FE8080'>1</font>-x)$ for all $x$ ?
191222	What is the value of $$ ( \sqrt { 2 } -1 ) ^ { - 1 } =$$?
191222	N is an integer. Can (n-1)n(n+1) be divisible by 12？ Condition 1 :(n-1)(n+1) is even Condition 2: n is odd
Magoosh	If 100,000 microns = 1 decimeter, and 1,000,000,000 angstroms = 1 decimeter, how many angstroms equal 1 micron?
OG12	This year Henry will save a certain amount of his income, and he will spend the rest. Next year Henry will have no income, but for each dollar that he saves this year, he will have 1 + r dollars available to spend. In terms of r, what fraction of his income should Henry save this year so that next year the amount he has available to spend will be equal to half the amount that he spends this year?
	is $${\frac{{5}^{x+2}}{25}}<{1}$$(1) $${5}^{x}<{1}$$(2) $$x<0$$
模考带练机经题	x*$$(x-1)^{2}$$+$$(x-1)^{2}$$=0, what is the value of x ？
Manhattan	If (2x – 6)(x + 1) = 0 and (x + 1/2)(2x + 2) = 0, then x =
OG12	Car X and Car Y traveled the same 80-mile route. If Car X took 2 hours and Car Y traveled at an average speed that was 50 percent faster than the average speed of Car X, how many hours did it take Car Y to travel the route?
Ready4	If $\frac{a}{\|a\|} < a$ and $a\neq0$ , then which of the following CANNOT be true?