The quotient of a division is 35 and the remainder is 0.If the dividend is increased to 1056 units,the quotient will be 57.The divisor is
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1.The term 215th of the expression A=1-7+13-19+25-31+⋯ is...
2.The number of values of n such that n2+34 which is a square number is...
3.Given a division If dividend and divisor are increased to 90 and 6 units respectively,then the quotient and the remainder are not changed the quotient is...
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cau 2 la n=1 chu cau 1 voi 3 minh ko biet
Given a division.If dividend and divisor are increased to 90 and 6 units respectively,then the quotient and the remainder are not changed. The quotient is.......?
Mau lên đi các bạn ơi còn 30 phút nữa là mình đi rồi
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:
Trả lời:
The sum of dividend and divisor are:
195 - 3 = 192
Because the quotient is 6.
The divisor is:
(192-3) : (6+1) = 27
The dividend is:
192 - 27 = 165
Exer 2:
Trả lời:
Let three unknow numbers be: n, n + 1, n + 2.
Because n has three forms: 3k, 3k + 1, 3k + 2.
+) If n
Xin lỗi, mình vẫn chưa viết xong, rồi mình viết tiếp đây:
+) If n = 3k then there is only n divisibles by 3.
+) If n = 3k + 1 then there is only n + 2 divisibles by 3.
+) If n = 3k + 2 then there is only n + 1 divisibles by 3.
Thus, amoney three consecutive natural numbers, there is one only one the number which divisibles by 3.
Exer 3:
Trả lời:
When we written the opposite respectively of n, we obtain \(\overline{1ba1}\).
We have:
\(\overline{1ab1}\) + \(\overline{1ba1}\) = (1000 + 100a + 10b + 1) - (1000 + 100b + 10a + 1)
= 90a - 90b
= 90(a - b)\(⋮\) 90
Thus, the difference of n and m which divisibles by 90.
Given a division.If dividend and divisor are increased to 90 and 6 units respectively,then the quotient and the remainder are not changed.
Given a division . The divided is 236 , the remainder is 15 and the divisor is a natural number which has two digits . The divisor is
When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5.
The value of X is ?
X chia cho 234 đương thương là 5 và số dư là số dư lớn nhất có thể? tìm X
X chia cho 234 đương thương là 5 và số dư là số dư lớn nhất có thể. X phải > 234. Phần còn lại tự tính.
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When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5.
The value of X is
When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5.
The value of X is
