Ôn tập toán 6
Các câu hỏi tương tự
When x is divided by 6 , the remainder is 5
The remainder when x is devided by 3 is
Exer 1: There is a division with the quotient is 6 and the remainder is 3. The sum of dividend, divisor and remainder are 195. Find the dividend are divisor.
Exer 2: Prove that: Amoney three consecutive natural numbers, there is one only one the number which divisibles by 3.
Exer 3: Given natural number, n overline{1ab1}. Let m be the natural number which is written the opposite respectively of n. Prove that the different of n and m divisibles by 90.
Đọc tiếp
Exer 1: There is a division with the quotient is 6 and the remainder is 3. The sum of dividend, divisor and remainder are 195. Find the dividend are divisor.
Exer 2: Prove that: Amoney three consecutive natural numbers, there is one only one the number which divisibles by 3.
Exer 3: Given natural number, n = \(\overline{1ab1}\). Let m be the natural number which is written the opposite respectively of n. Prove that the different of n and m divisibles by 90.
Exer 1: Given two natural numbers whose sum are 78293. The bigger number where 5 is the units digit and 2 is hundred digit. If we clean these digits then we obtain a number which equals the smaller number. Find two natural numbers.
Exer 2: Prove that: If x, y in N and x + 2y divisible by 5 then 3x - 4y divisibles by 5.
Exer 3: Given that 2x + 5y ⋮ 7. Prove that 4x + 3y ⋮ 7.
Đọc tiếp
Exer 1: Given two natural numbers whose sum are 78293. The bigger number where 5 is the units digit and 2 is hundred digit. If we clean these digits then we obtain a number which equals the smaller number. Find two natural numbers.
Exer 2: Prove that: If x, y \(\in\) N and x + 2y divisible by 5 then 3x - 4y divisibles by 5.
Exer 3: Given that 2x + 5y \(⋮\) 7. Prove that 4x + 3y \(⋮\) 7.
K is a prime number and a multiple of 43. What is K?
Exer 1: Find digit a such that n overline{aaaaa24} divisibles by 8 and 9.
Exer 2: Prove that number:
A (n+2014)(n+2015)(n+2016) is a multiple of 6; where every n in N.
Exer 3: Given n 101998 - 4.
a, Does n divisibles by 3?
b, Does n divisibles by 9?
And why?
Đọc tiếp
Exer 1: Find digit a such that n = \(\overline{aaaaa24}\) divisibles by 8 and 9.
Exer 2: Prove that number:
A = (n+2014)(n+2015)(n+2016) is a multiple of 6; where every n \(\in\) N.
Exer 3: Given n = 101998 - 4.
a, Does n divisibles by 3?
b, Does n divisibles by 9?
And why?
The greatest common factor of m and n is 1
That the least common multiple of them ?
Ai làm nhanh nhất thì mk tick cho
Jane lists all common factors of 90 and 36 . The result is { 1;2;3;6;9 }
The missing number is
If the sum of two 2-digit numbers ab and ac and a 1-digit number d is 30, and d>b>c>A . Find ab
1. The 112 4-grade students at Edgemont School donate pennies to raise 75 dollar for a local charity. What is the minimum number of pennies each student needs to bring if they are to meet their goal of collecting 75 dollar?(1 dollar 100 pennies)2. It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?
Đọc tiếp
1. The 112 4-grade students at Edgemont School donate pennies to raise 75 dollar for a local charity. What is the minimum number of pennies each student needs to bring if they are to meet their goal of collecting 75 dollar?
(1 dollar = 100 pennies)
2. It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?