Numbers
Uchiha Sasuke
29/01/2018 at 19:41Đỗ Phi Phi
11/01/2018 at 23:12
FA Liên Quân Garena 12/01/2018 at 12:25
Sentence 1: Thanksgiving is always the last Thursday of November

Nguyễn Thị Thanh Hiền 12/01/2018 at 09:39
Sentence 1: Thanksgiving is always the last Thursday of November

nguyễn hồng quân 13/04/2018 at 09:09
câu 1 là đúng
Đỗ Phi Phi
11/01/2018 at 23:07
My answer is C: 6 Đỗ Phi Phi selected this answer.

FA Liên Quân Garena 12/01/2018 at 12:26
(D)8 or (E)9

Nguyễn Thị Thanh Hiền 12/01/2018 at 09:42
(D)8 or (E)9
Đỗ Phi Phi
08/01/2018 at 21:28
FA Liên Quân Garena 08/01/2018 at 21:40
I chose the answer : E

Yuki Judai 20/01/2018 at 06:50
hjh.hj.kjh,jhb,bjv,

Trương Như Hoàng 08/01/2018 at 22:22
I choose D because :
a<b => ab<0 which means ab is negative so I is true.0<a<b => ab>0 => \(\dfrac{1}{ab}\) is positive so II is true.
\(\dfrac{1}{b}\) \(\dfrac{1}{a}\)=\(\dfrac{ab}{ab}\) but ab<0 and ab>0 => \(\dfrac{ab}{ab}\) is negative so III is false
Nguyen Huu Ai Linh
07/12/2017 at 08:24
Nguyễn Hưng Phát 07/12/2017 at 11:32
The first number:3=1.3
The second number:6=3.2
The third number:9=3.3
.........
So the 99th number of row is:
3.99=297
Answer:297
Nguyen Huu Ai Linh selected this answer. 
1st = 1.3
2nd = 2.3
3rd = 3.3
............
=> 99th = 99.3 = 297
4741
questionsWeekly ranking
Tags
games 18
double counting 8
generating functions 2
probabilistic method 1
Polynomial 9
inequality 13
area 16
Equation 9
Primitive Roots Modulo Primes 1
Primitive in Arithmetic Progression 6
Base n Representatioons 4
Pell Equation 1
mixed number 1
Fraction 29
Circle 3
Imaginary numbers 1
Decimal number 2
Volume 2
percentages 6
simple equation 19
absolute value 19
rational numbers 20
Operation of Indices 21
Simulataneous Equation A System of Equations 25
Multiplication of Polynomial 17
divisibility 24
Maximum 5
Minimum 8
Fraction 4
Prime Numbers and Composite Numbers 13
Square Number 26
Even and Odd Numbers 13
GDC and LCM 11
GCD and LCM 12
Permutation and combination 9
combinations 5
interger 7
number 10
Diophantine equations 2
equations 1
Grade 6 19
Power 3
equality 2
maximaminima 2
square root 1
Polygon 2
IGCSE 1
factorial 1
integers 2