Các câu hỏi tương tự
Bài 1
a, Tính P=1+1/2(1+2)+1/3(1+2+3)+1/4(1+2+3+4)+....+1/2012(1+2+3+...+2012)
b,Tìm x thỏa mãn 4^5+4^5+4^5+4^5/3^5+3^5+3^5.6^5+6^5+6^5+6^5+6^5+6^5/2^5+2^5=2^x
tính
a/ 3 và 1/2 - 4/5 - 8 và 1/2 -1/5 -(2021)^0
b/ 32^5/ 16^5 - (0.2)^100 * (5)^100 -√8181 + /-21/
c/ 3/2* 16/21 + 3/2 * 5/21 - (- 1/10) ^0 - /-20/
tính
a,\(6\dfrac{4}{5}-\left(1\dfrac{2}{3}+3\dfrac{4}{5}\right)\)
b,\(7\dfrac{5}{9}-\left(2\dfrac{3}{4}+3\dfrac{5}{9}\right)\)
c,\(6\dfrac{7}{7}-\left(1\dfrac{3}{4}+2\dfrac{5}{7}\right)\)
Tính
a)\((\dfrac{3}{4}-81).(\dfrac{3^2}{5}-81).(\dfrac{3^3}{6}-81)...(\dfrac{3^{2000}}{2003}-81)\)
b)\(\dfrac{69}{157}-(2+(3+(4+5^{-1})^{-1})^{-1}\)
23 tháng 8 2023 lúc 20:33
5) (3-1/4+2/3) - (5-1/3-6/5) - (6-7/4+3/2) 6) (6-2/3+1/2) - (5+5/3-3/2)-(3-7/3+5/2)
7) (5/3-3/7+9)-(2+5/7-2/3)+(8/7-4/3-10) 8) (8-9/4+2/7)-(-6-3/7+5/4)-(3+2/4-9/7 pls help me
Tính:
a) -5/7(14/5 - 7/10) : |-2/3| - 3/4(8/9 + 16/3) + 10/3(1/3 + 1/5)
b) 17/-26(1/6 - 5/3) : 17/13 - 20/3(2/5 - 1/4) + 2/3(6/5 - 9/2)
c) -8/9(9/8 - 3/2) + 5/4 : (5/2 - 15/4) - 3/4(10/9 - 8/3) : (-1/3)
d) 21/10 : (12/5 - 9/10) . (-4/7) - 3/2(1/6 - 7/12) + 1/5(3/2 - 1/4)
(4+6+8+10+...+2012).1/1000.(1/2+3/4+5/6)
bai 1
1) (-3)^10 . 15^5 / 25^3 . (-9)^7
2) (-5)^60 . 30^5 / 15^5 . 5 ^61
3) 3/5+ 3/5^3 + 3/5^5 + ... + 3/5^ 199
4) 3^6 . 45^4 - 15^13 . 5^-9 / 27^4 . 25^3 + 45^6
bai 2 ; so sanh
1) (-5)^30 ; (-3) ^50
2) ( -1/16)^10 ; (1/2)^50
3) 2^2010+1 / 2^2007 + 1 ; 2^2012+1 / 2^2009+1
23 tháng 8 2023 lúc 20:58
(3-1/4+2/3) - (5-1/3-6/5) - (6-7/4+3/2) (6-2/3+1/2) - (5+5/3-3/2)-(3-7/3+5/2)
(5/3-3/7+9)-(2+5/7-2/3)+(8/7-4/3-10) (8-9/4+2/7)-(-6-3/7+5/4)-(3+2/4-9/7 )
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