Math Violympic 8-vòng 1-bài 1


	Math Violympic - vòng 1 - bài 1 Exam number 1 Fill in the blank with the suitable number Question 1: If then = ... Question 2: If $Math Violympic 8-vòng 1-bài 1 ?$y=\frac{k}{x}$$ where k is a constant, and x = 4 when y = 5, then k = ... Question 3: If and then = ... Question 4: If 10 workers take 8 hours to repair a car then 4 workers will take ... hours to repair the same car. Question 5: If $Math Violympic 8-vòng 1-bài 1 ?$T%20=%20(x-2)^{2}%20+%206$$ then the smallest value of is ... Question 6: is a square. If and then = ... Question 7: If $Math Violympic 8-vòng 1-bài 1 ?$a^{2}%20+%20ab%20=%2045$$ and then = ... Question 8: If and $Math Violympic 8-vòng 1-bài 1 ?$x^{3}%20+%20x^{2}y%20=%2024$$ then $Math Violympic 8-vòng 1-bài 1 ?$x%20+%20y%20-%20x^{2}$$ = ... Question 9: If and $Math Violympic 8-vòng 1-bài 1 ?$(a-b)^{2}%20=%200$$ then = ... Question 10: If the length of a rectangle is decreased by 25% then the area of this rectangle will be decreased by ... %

1 Math Violympic 8-vòng 1-bài 1 Sun Jan 18, 2015 9:15 pm