\(=\dfrac{2^{36}+2^{12}}{2^{26}+2^6}=\dfrac{2^{12}\left(2^{24}+1\right)}{2^6\left(2^{20}+1\right)}=2^6\cdot\dfrac{2^{24}+1}{2^{20}+1}\)
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Chương I : Số hữu tỉ. Số thực
Các câu hỏi tương tự
Tính
1. 6/5 - 1/4 + 4/5 - 3/4
2. 7/9 - 5/12 + 2/9 - 7/12
3. -4/15 + 5/13 - 11/15 + 8/13
4. 9/15 - 7/13 +6/15 - 6/13
5. 12/5 - 3/7 + 3/5 - 4/7
6. 6/5 - 1/4 + 4/5 - 3/4 + 1/2
7. 13/7 - 8/6 + 8/7 - 4/6 - 1/3
\(M=\dfrac{4^6\cdot9^5+6^9\cdot120}{-6^{11}-8^4\cdot3^{12}}\)
a, left(18dfrac{1}{3}:sqrt{225}+8dfrac{2}{3}.sqrt{dfrac{49}{4}}right): left[left(12dfrac{1}{3}+8dfrac{6}{7}right)-dfrac{left(sqrt{7}right)^2}{left(3sqrt{2}right)^2}right]: dfrac{1704}{445}b, dfrac{1}{1.2}+dfrac{1}{2.3}+...+dfrac{1}{99.100}c, left(1-dfrac{1}{2}right)xleft(1-dfrac{1}{3}right)x.....xleft(1-dfrac{1}{n+1}right) (n ϵ N)d, -66 x left(dfrac{1}{2}-dfrac{1}{3}+dfrac{1}{11}right) + 124 x -37 + 63 x -124e, dfrac{7}{4} x left(dfrac{33}{12}+dfrac{3333}{2020}+dfrac{333333}{303030}+dfrac{33333...
Đọc tiếp
a, \(\left(18\dfrac{1}{3}:\sqrt{225}+8\dfrac{2}{3}.\sqrt{\dfrac{49}{4}}\right)\): \(\left[\left(12\dfrac{1}{3}+8\dfrac{6}{7}\right)-\dfrac{\left(\sqrt{7}\right)^2}{\left(3\sqrt{2}\right)^2}\right]\): \(\dfrac{1704}{445}\)
b, \(\dfrac{1}{1.2}\)+\(\dfrac{1}{2.3}\)+...+\(\dfrac{1}{99.100}\)
c, \(\left(1-\dfrac{1}{2}\right)\)x\(\left(1-\dfrac{1}{3}\right)\)x.....x\(\left(1-\dfrac{1}{n+1}\right)\) (n ϵ N)
d, -66 x \(\left(\dfrac{1}{2}-\dfrac{1}{3}+\dfrac{1}{11}\right)\) + 124 x -37 + 63 x -124
e, \(\dfrac{7}{4}\) x \(\left(\dfrac{33}{12}+\dfrac{3333}{2020}+\dfrac{333333}{303030}+\dfrac{33333333}{42424242}\right)\)
\(\dfrac{x}{3}=\dfrac{y}{4};\dfrac{y}{6}=\dfrac{Z}{8}\) và 3y - 2y -z = 13
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Thực hiện phép tính
\(\dfrac{2^{12}\cdot3^5-4^6\cdot3^6}{2^{12}\cdot9^3+8^4\cdot3^5}\)
Tính:
A=\(\dfrac{4^2.25^2+32.125}{2^3.5^2}\)
B=\(\dfrac{4^6.9^5+6^4.120}{8^4.3^{12}-6^{11}}\)
2. Tìm x biết:a)2(x+2)(x+4)dfrac{2}{left(x+2right)left(x+4right)} + 4(x+4)(x+8)dfrac{4}{left(x+4right)left(x+8right)} + 6(x+8)(x+14)dfrac{6}{left(x+8right)left(x+14right)} x(x+2)(x+14)dfrac{x}{left(x+2right)left(x+14right)}b)x2023dfrac{x}{2023} + x+12022dfrac{x+1}{2022}+ x+22021dfrac{x+2}{2021} +...+ x+20221dfrac{x+2022}{1} + 2023 0.Gíup mình giải 2 bài này với!Cảm ơn các bạn rất nhiều!!!
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2. Tìm x biết:
a)2(x+2)(x+4)\dfrac{2}{\left(x+2\right)\left(x+4\right)} + 4(x+4)(x+8)\dfrac{4}{\left(x+4\right)\left(x+8\right)} + 6(x+8)(x+14)\dfrac{6}{\left(x+8\right)\left(x+14\right)} = x(x+2)(x+14)\dfrac{x}{\left(x+2\right)\left(x+14\right)}
b)x2023\dfrac{x}{2023} + x+12022\dfrac{x+1}{2022} x+22021\dfrac{x+2}{2021} +...+ x+20221\dfrac{x+2022}{1} + 2023 = 0.
Gíup mình giải 2 bài này với!
Cảm ơn các bạn rất nhiều!!!
1) 5/7.37 13/23-51 13/23.5/72) -2/3 +1/3+0,5+2 1/23)-0,5+2/3+1/24) (8+2 1/3-3/5) -(5+0,4)-(3 1/2 -2)5) (2/9-7/12):3/4+(16/9-5/12):3/46) -(2021.0,7+19,75) +0,7- (8-19,75)7)15/34+7/21+19/34-20/158) 2 5/6+1/6:(-5/8)9) (-2)^2 +2/9. (4/5-2/3)10) (-1/5+3/7):5/4+(-4/5+4/7):5/411) 2022,2021 . 1954,1945+ 2022,2021 . (-1954,1945)12) -5,2 .72 +69,1 +5,2 . (-28)+(-1,1)13) (7 -1/2-3/4) : (5-1/4-5/8)14) (8+ 2 1/3 -3/5) -(5+0,4) -( 3 1/3 - 2)
Đọc tiếp
1) 5/7.37 13/23-51 13/23.5/7
2) -2/3 +1/3+0,5+2 1/2
3)-0,5+2/3+1/2
4) (8+2 1/3-3/5) -(5+0,4)-(3 1/2 -2)
5) (2/9-7/12):3/4+(16/9-5/12):3/4
6) -(2021.0,7+19,75) +0,7- (8-19,75)
7)15/34+7/21+19/34-20/15
8) 2 5/6+1/6:(-5/8)
9) (-2)^2 +2/9. (4/5-2/3)
10) (-1/5+3/7):5/4+(-4/5+4/7):5/4
11) 2022,2021 . 1954,1945+ 2022,2021 . (-1954,1945)
12) -5,2 .72 +69,1 +5,2 . (-28)+(-1,1)
13) (7 -1/2-3/4) : (5-1/4-5/8)
14) (8+ 2 1/3 -3/5) -(5+0,4) -( 3 1/3 - 2)
Tính :
A=\(\dfrac{4^2.25^2+32.125}{2^3.5^2}\)
B=\(\dfrac{4^6.9^5+6^4.120}{8^4.3^{12}-6^{11}}\)
thực hiện phép tínha)left(dfrac{9}{25}-2,18right):left(3dfrac{4}{5}+0,2right)b)dfrac{3}{8}.19dfrac{1}{3}-dfrac{3}{8}.33dfrac{1}{3}c)1dfrac{4}{23}+dfrac{5}{21}-dfrac{4}{23}+0,5+dfrac{16}{21}d)dfrac{2^{12}.3^5-4^6.81}{2^2.3^6+8^4.3^5}e)4left(-dfrac{1}{2}right)^2-2.left(dfrac{-1}{2}right)^2+3.left(dfrac{-1}{2}right)+1g)sqrt{dfrac{4}{81}}:sqrt{dfrac{25}{81}}-1dfrac{2}{5}
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thực hiện phép tính
a)\(\left(\dfrac{9}{25}-2,18\right):\left(3\dfrac{4}{5}+0,2\right)\)
b)\(\dfrac{3}{8}.19\dfrac{1}{3}-\dfrac{3}{8}.33\dfrac{1}{3}\)
c)\(1\dfrac{4}{23}+\dfrac{5}{21}-\dfrac{4}{23}+0,5+\dfrac{16}{21}\)
d)\(\dfrac{2^{12}.3^5-4^6.81}{2^2.3^6+8^4.3^5}\)
e)\(4\left(-\dfrac{1}{2}\right)^2-2.\left(\dfrac{-1}{2}\right)^2+3.\left(\dfrac{-1}{2}\right)+1\)
g)\(\sqrt{\dfrac{4}{81}}:\sqrt{\dfrac{25}{81}}-1\dfrac{2}{5}\)