23.76+18.52+16.24+41.48 =
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23.76+18.52+16.24+41.48=????????????????
tra loi giup minh nha!!!!!!!!!!!!!!!!!
Đáp án của mình là 100 .Nhớ kick cho mình nhé !
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23,76 + 18,52 +16,24 +41,48 = 100
nhớ tick đó nha
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16.24*X+X*23.76=2.8
Question 1:Calculate: 626.35+525.36 Question 2:There are 60 seats on a train. 40% of the seats are empty. How many empty seats are there in the train?Answer: There are empty seats.Question 3:Convert: Question 4:The perimeter of the circle is cm(Write your answer by decimal in the simplest form)Question 5:The area of the trapezoid below is 100 m2. Find xAnswer: x Question 6:Calculate: 23.76+18.52+16.24+41.48 Question 7:14 hours 25 minutes – 7 hours 45 minutes hours 40 minutesQuestion 8:Th...
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Question 1:
Calculate: 626.35+525.36 =
Question 2:
There are 60 seats on a train. 40% of the seats are empty. How many empty seats are there in the train?
Answer: There are empty seats.
Question 3:
Convert:
Question 4:
The perimeter of the circle is cm
(Write your answer by decimal in the simplest form)
Question 5:
The area of the trapezoid below is 100 m2. Find x
Answer: x =
Question 6:
Calculate: 23.76+18.52+16.24+41.48 =
Question 7:
14 hours 25 minutes – 7 hours 45 minutes = hours 40 minutes
Question 8:
The value of m is
Question 9:
Form the smallest 5 – digit odd number using all the digits below.
Answer:
Question 10:
Find N such that
Answer: N =
Câu 1: 40810
Câu 2: 24
Câu 5: 20
Câu 6:5036
Câu 7:6
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8/9.15/16.24/25................2499/2500
17/25
duyet di nhanh
Nguyễn Đức Nhật Minh h mk may man ca nam
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8/9.15/16.24/25............2499/2500 = 17/25
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A=8/9.15/16.24/25.35/36.48/49.63/64
Trước hết ta đi chứng minh 1 bài toán \(a^2-1=\left(a-1\right)\left(a+1\right)\) (1)
Thật vậy \(\left(a-1\right)\left(a+1\right)=\left(a-1\right)a+\left(a-1\right)=a^2-a+a-1=a^2-1\)
Áp dụng (1) ta có:
\(A=\dfrac{2\cdot4}{3^2}\cdot\dfrac{3\cdot5}{4^2}\cdot...\cdot\dfrac{7\cdot9}{8^2}\\ =\dfrac{2\cdot3\cdot4^2\cdot...\cdot7^2\cdot8\cdot9}{3^2\cdot4^2\cdot...\cdot8^2}=\dfrac{2\cdot9}{3\cdot8}\\ =\dfrac{18}{24}=\dfrac{3}{4}\)
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A = 8/9.15/16.24/25....2499/2500
Cho:
24.
16
−
5
−
16.
24
−
5
?
Chọn đáp án đúng A. 40 B. 0 C. -40 D. -80
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Cho: 24. 16 − 5 − 16. 24 − 5 = ? Chọn đáp án đúng
A. 40
B. 0
C. -40
D. -80
Chọn C
24. 16 − 5 − 16. 24 − 5 = 24.16 − 24.5 − 16.24 + 16.5 = − 24.5 + 16.5 = 5. − 24 + 16 = 5. − 8 = − 40
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(5/11.16+5/16.24+...+ 5/19.24)-x+1/3=7/3
rút gọn biểu thức A=3/4.8/9.15/16.24/25.....899/900
A=1.3/2.2x2.4/3.3x3.5/4.4x...29.31/30.30
A=(1.2.3....29)x(2.3.4.....31)/(2.3.4....30)x(2.3.4....30)
A=31/30
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