Các câu hỏi tương tự
Tính
A,310.11+310.5:39.24
B,210.13+210.65:28.104
Thực hiện phép tính:
1,-4/7 + 2/3x -9/14
2,17/13 - ( 4/13 - 11 )
3, 8 2/7 - ( 3 4/9 + 4 2/7 )
5, ( 2/3 - 1 1/2): 4/3 + 1/2
6, -5/13 + 2/5 + -8/13 + 3/5 - 3/7
7, 6/5 x 3/7 + 6/5 : 7/10 + 6/5
Thực hiện phép tính :
a, 4/5 ( 1/2 - 7/4 ) - 3/4 ( 1/3 - 8/12 ) + 15/4 : -5/8 - 6/5 : 1/10
b, [ -5/9 ] ( 1/5 - 11/10 ) : 3/2 - 3/4 ( 7/6 - 1/3 ) + 28/5 : -7/10
thực hiện phép tính sau 1 cách hợp lí
a.(10^2+11^2+12^2):(13^2+14^2)
b.1*2*3*...*9-1*2*...*8-1*2*3*...*7*8^2
c.(3*4*2^16)^2/11*2^13*4^11-16^9
d.13-12+11+10-9+8-7-6+5-4+3+2-1
đang cần gấp
nhanh mình tick cho
Thực hiện phép tính(tính hợp lí nếu có thể)
4/5+(-5)/4 -1/3+2/5-5/6 2/3-5/7.14/25 (2/5-5/6):8/15-(-1)^2
-3/13+(-7)/17+(-5)/19+(-10)/13+24/17+(-14)/19
Tính
a)\(\frac{2^{12}.13+2^{12}.65}{2^{10}.104}+\frac{3^{10}.11+3^{10}.5}{3^9.2^4}\)
b)\(\frac{1.5.6+2.10.12+4.20.24+9.45.54}{1.3.5+2.6.10+4.12.20+9.27.45}\)
c)\(1+2-3-4+5+6-7-8+.....+2009+2010-2011-2012+2013\)
thực hiện các phép tính sau một cách hợp lí:
a,\(\left(10^2+11^2+12^2\right):\left(13^2+14^2\right)\)
b,\(1.2.3...9-1.2.3...8-1.2.3...7.8^2\)
c,\(\frac{\left(3.4.2^{16}\right)^2}{11.2^{13}.4^{11}-16^9}\)
d,1152-(374+1152)+(-65+374)
e,13-12+11+10-9+8-7-6+5-4+3-2-1
Thực hiện phép tính:
a) dfrac{8}{13} + dfrac{5}{13}
b)dfrac{2}{3} + dfrac{-2}{5} + dfrac{-5}{6} - dfrac{13}{10}
c) -dfrac{2}{7} - (dfrac{5}{11} - dfrac{9}{7}) + dfrac{5}{11}
d) dfrac{-3}{7} x dfrac{-1}{9} + dfrac{7}{-18} x dfrac{-3}{7} + dfrac{5}{6} x dfrac{-3}{7}
e) 11dfrac{1}{4} - (2dfrac{5}{7} + 5dfrac{1}{4})
f) (8dfrac{5}{11} + 3dfrac{5}{8}) - 3dfrac{5}{11}
g) -dfrac{1}{4} x 13dfrac{9}{11} - 0,25 x 6dfrac{2}{11}
h) dfrac{4}{9} : (-dfrac{1}{7}) + 6dfrac{5}{9} : (-dfrac{1}{7})
Đọc tiếp
Thực hiện phép tính:
a) \(\dfrac{8}{13}\) + \(\dfrac{5}{13}\)
b)\(\dfrac{2}{3}\) + \(\dfrac{-2}{5}\) + \(\dfrac{-5}{6}\) - \(\dfrac{13}{10}\)
c) -\(\dfrac{2}{7}\) - (\(\dfrac{5}{11}\) - \(\dfrac{9}{7}\)) + \(\dfrac{5}{11}\)
d) \(\dfrac{-3}{7}\) x \(\dfrac{-1}{9}\) + \(\dfrac{7}{-18}\) x \(\dfrac{-3}{7}\) + \(\dfrac{5}{6}\) x \(\dfrac{-3}{7}\)
e) \(11\dfrac{1}{4}\) - (\(2\dfrac{5}{7}\) + \(5\dfrac{1}{4}\))
f) (\(8\dfrac{5}{11}\) + \(3\dfrac{5}{8}\)) - \(3\dfrac{5}{11}\)
g) -\(\dfrac{1}{4}\) x \(13\dfrac{9}{11}\) - 0,25 x \(6\dfrac{2}{11}\)
h) \(\dfrac{4}{9}\) : (-\(\dfrac{1}{7}\)) + \(6\dfrac{5}{9}\) : (-\(\dfrac{1}{7}\))
Thực hiện phép tính: a) 12.(-5).(-2).(-6);
b) (-4).7.11.(-2)
c) 25.(-5).4.(-20).
d) 125.(-3).(-8).(-10)