How many positive integer a<100 will a3+23 be divisible by 24?
A. 4
B. 5
C. 9
D. 10
How many positive integer a<100 will a3+23 be divisible by 24?
A. 4
B. 5
C. 9
D. 10
How many positive integer a<100 will a3+23 be divisible by 24?
A. 4
B. 5
C. 9
D. 10
How many positive integer a<100 will a3+23 be divisible by 24?
A. 4
B. 5
C. 9
D. 10
Find the least positive integer n such that n(n + 1)(n + 2)(n + 3) is divisible by 1000.
Tìm số nguyên dương n nhỏ nhất sao cho n(n + 1)(n + 2)(n + 3) chia hết cho 1000.
+ cách giải ( Không dùng máy tính cầm tay)
Let x,y be the positive integers such that \(3x^2+x=4y^2+y\) . Prove that x-y is a perfect integer.
1,A circular cynlinder with a volume 81 pi.if the perimeter of the base is 6 pi,the height is ?
2,The total surface area of 2 indentical blocks which together with the volume is 1,458 units is ?
3,If one side of 6-inch ruler will be marked in inches,how many points will be in the edge including 0 and 6 inch mark?
4,Two sides of the O and P pointer that started from a vertical position as shown.Pointer O turns back the clock with a speed of 5 degrees per second and pointer P rotate clockwise at9 degrees per second.How many complete revolutions will be made when completing 335 P O complete revolution?
5,In a certain game of 50 questions,the final score calculated by subtracting tiwce the number of wrong answer from the total number of correct answers.if a player has tried all questions and get a final score of 35 ,the number of wrong answers,he has to be ...
How many positive factors does 23,232 have ?
Câu này em hỏi nhiều lần mà vẫn chưa có câu trả lời đúng.
How many integers from 1 to 2008 have the sum of their digits divisible by 5?
Có bao nhiêu số nguyên từ 1 đến 2008 có tổng các chữ số chia hết cho 5?
Giải IN Tiếng Anh please =)
How many integer solutions does the following equatios have?
(x2 - x - 1)x+2000 = 1
Cho a>b . Chứng minh 2a-3 và 2b-3
cho -4a+1 < -4b+1 . So sánh a và b.
c)Biết 3-4a < 5c +2 và 5c-1<-4b. So sánh a và b
Kết quả của tích a 2 + 2 a + 4 a - 2 là:
A. a + 2 3
B. a - 2 3
C. a 3 + 8
D. a 3 − 8
Cho a, b là 2 số thực phân biệt thỏa mãn a2+4a=b2+4b=1. CMR
a, a+b=-4
b,a3+b3=-76
c, a4+b4=322
Let a,b be the roots of equation \(x^2-px+q=0\) and let c,d be the roots of the equation \(x^2-rx+s=0\), where p,q,r,s are some positive real numbers. Suppose that :
\(M=\frac{2\left(abc+bcd+cda+dab\right)}{p^2+q^2+r^2+s^2}\)
is an integer. Determine a,b,c,d .