find the number of traiking zeroes in the following product :1 x 2 x 3 x.......x 101
Find the missing number x in the following number sequence:
2, 9, 18, x, 57, 114, 121
Find the last digit of this product: (1+2+3+...+9)x(1+2+3+...+9)x...x(1+2+3+...+9)
(1+2+3+4+5+6+7+8+9)x(1+2+3+4+5+6+7+8+9)x...x(1+2+3+4+5+6+7+8+9)
= 45 x 45 x ... x 45
= ...................5 ( tích của các số tận cùng là 5 thì vẫn là 5)
Vậy chữ số tận cùng của tích trên là 5
********************** cho đúng nha********************
Dãy số có 2 chữ số chia hết cho 3 là:[12,15,....,99]
Khoảng cách của từng số hạng là 3
Số số hạng là: (99-12):3+1=30(số)
Vậy có 30 số có 2 chữ số chia hết cho 3
Giải Toán Tiếng Anh đi chúng cậu!!!!
1) Find the number not equal to O such that triple its square is equal to twice of its cube.
(Write your answer as a decimal number in the simplest form)
2) If \(\frac{x}{2}-\frac{x}{6}\)is an integer. Find the following statement must be true???
toán hại não , quá hại não!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...???
1. Find x, given that:
\(\left(x+\frac{1}{3}\right)+\left(x+\frac{3}{40}\right)+\left(x+\frac{3}{88}\right)=\frac{31}{22}\)
2. The arithmatic average of three numbers is equal to 13.5 . The average of the first number and second number is 13, and the average of the second number and third number is 13.85 . Find the three numbers.
3. Compare A and B, given that:
A = 2.015 x 201.7
B = 20.16 x 20.16
In the figure below, x = Câu 2 Find the measure of angle J if \widehat{K}=29^o K =29 o and angle J and K are supplementary. Answer: \widehat{J}= J = ^o o . Câu 3 In the figure below, x = Câu 4 In the figure below, x = Câu 5 Solve: |2x-3|-4=3∣2x−3∣−4=3, where xx is a negative number. Answer: x=x= Câu 6 Calculate: 9+|-6|:1^2 =9+∣−6∣:1 2 = Câu 7 Compare: \dfrac{36}{27} 27 36 \dfrac{4}{3} 3 4 Câu 8 Find the negative number yy such that |y+\dfrac{7}{2}|-\dfrac{1}{2}=4∣y+ 2 7 ∣− 2 1 =4. Answer: y=y= Câu 9 Find xx such that \dfrac{32}{2^x}=2 2 x 32 =2. Answer: x=x= Câu 10 Find nn such that \dfrac{(-4)^n}{64}=-16 64 (−4) n =−16. Answer: n=n= Cần gấp nhé
ill in the blank with the suitable number
Question 1:
Find x such that x:6=13
Answer: x =
Question 2:
How many goldfish are there?
Answer: There are goldfish.
Question 3:
Convert: 6cm = mm
Question 4:
If x:5=32 then x =
Question 5:
There are six students in a drawing class. Each student draws a picture as same as the picture below. How many stars do they draw in all?
Answer: They draw stars in all.
Question 6:
The perimeter of the triangle below is cm
Question 7:
Jennifer has 4 chocolate boxes. There are 12 chocolate bars in each box. How many chocolate bars does she have?
Answer: She has chocolate bars.
Question 8:
Find y such that y:6=32:4
Answer: y =
Question 9:
A even 2 – digit number has a digit 4 in the tens place.It is greater than 46. What is it?
Answer: It is
Question 10:
The product of 40 and a number, m, is a 2- digit number that greater than 40. The value of m is
question 1: x=13x6=78
question 3:60 mm
question 4:x=32x5=160
question 7:16
Question 1 : x:6=13,x=13x6=78
Question 2 : ko có hình
Question 3 : 6cm=60mm
Question 4 :x:5=32,x=32x5=160
Question 5 : ko có hình
Question 6 : ko có hình
Question 7 : 12x4=48 chocolate bar
Question 8 : y:6=32:4,y:6=8,y=8x6=48
Question 9 : 48
Câu hỏi 1:
The average of three numbers is 1988. The first number is 1984. The third number is 2 units more than the second number. Find the third number.
Câu hỏi 2:
The average of 5 consecutive odd numbers is 123. Find the greatest number.
Câu hỏi 3:
Which of the following fractions is equal to 2/3?
Câu hỏi 4:
The average of two numbers is 95. The first number is 2/3 of the second number. Find the first number
Câu hỏi 5:
Fill in the blank with the correct number: 6/100 kg = .... kg
Câu hỏi 6:
The sum of two fractions is 45/23 and the first fraction is one quarter of the second fraction. Find the first fraction.
Câu hỏi 7:
The sum of twonumbers is 463 and three are eighteen even numbers between these numbers. Find the greater number.
Câu hỏi 8:
Which of the following fractions is the greatest number?
Câu hỏi 9:
The average of two numbers is 95. The first number is 2/3 of the second number. Find these two numbers.
Câu hỏi 10:
The sum of the number of lions and monkeys in a zoo is 40 and lions are 1/3 the number of monkeys. How many monkeys are there in the zoo?
Exam number 2: Fill in the blank with the suitable number
Question 1: Find x such that x + 34 = 99
Question 2: Write the missing number in the blank
Question 3: Calculate: 123 + 456
Question 4: Write in numbers "Nine hundred and twenty – two"
Question 5: Each box has 12 color pencils. How many pencils are in 3 of these boxes?
Question 6: Two apples weight 100 gram. Then ten apples weight ....gram.
Question 7: Write the missing number in the blank
Question 8: Write the missing number in the blank
Question 9: There are 56 students lining up in rows, there 7 students in each row. How many rows are there?
Question 10: The perimeter of rectangle ABCD is 20cm and the length of segment AB is 6cm. What is the length of segment BC?
1. x+34 = 99
⇔ x = 65
2. ko thấy đề
3. 123+456 = 579
4. 922
5. 12x3 = 36
6. 500
7. ko thấy đề
8. ko thấy đề
9. 56:7 = 8
10. 4 cm
Toán tiếng anh?
1.
x = 99 - 34
x = 65
2. Bài toán hình vuông ở đâu?
3. 579
4 . 922
5. Số bút chì trong 3 hộp là: 12 x 3 = 36 (bút chì)
6. - Số gam khối lượng quả táo là: 100: 2 = 50 (gam)
- Số gam của mười quả táo nặng là : 50 x 10 = 500 (gam)
7. Bài toán hình vuông ở đâu?
số 8 . Tôi không thể nhìn thấy vấn đề toán học này.
9. Số học sinh của mỗi hàng là: 56: 7 = 8 (học sinh)
10. Độ dài đoạn thẳng BC là: 20 - 6 : 2 = 4 ( cm )
I like this math problem :>*
Question 2:
The number of factors of 120 is
Question 5:
Find four integer numbers a,b,c,d such that
a + b + c + d = 1
a + c + d = 2
a + b + d = 3
a + b + c = 4
Answer: (a;b;c;d)=()
Question 6:
The 215th term of the expression A=1-7+13-19+25-31+⋯ is
Question 7:
A natural number will be increased by 9 times ifthe digit 0 is written between tens digit and units digit.The number is
Question 8:
Calculate: 1×2+2×3+⋯+100×101=
Question 9:
The root of the equation (x+1)+(x+2)+(x+3)+⋯+(x+100)=5750 is x=
Question 10:
The sum of digits of 31000 is A,the sum of digits of A is B,and the sum of digits of B is C.The value of C is
2: Ước của 120 là:
{1;2;3;4;5;6;8;10;12;15;20;24;30;40;60;120}
9: x+ (1+2+3+4+...+100) = 5750
x + 5050= 5750
x = 5750 - 5050 = 700
6. Chữ số thứ 215 là 1285
cau 2 la co 16 uoc
cau 5 a=7 b=-1 c=-2 d=-3