\(\dfrac{-9}{16}\cdot\dfrac{15}{11}\)
\(=\dfrac{-9\cdot15}{16\cdot11}\)
\(=\dfrac{-135}{176}\)
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Tính nhanh
a,9 phần 11:-16/15+7/11:-16/15
b,17/9:13/7-7/9:;13/4
5-5/3+5/9-5/27 15-15/11+15/121
____________ : ________________
8-8/3+8/9-8/27 16-16/11+16/121
\(\frac{5-\frac{5}{3}+\frac{5}{9}-\frac{5}{27}}{8-\frac{8}{3}+\frac{8}{9}-\frac{8}{27}}:\frac{15-\frac{15}{11}+\frac{15}{121}}{16-\frac{16}{11}+\frac{16}{121}}\)
16/9-4/11-2/3+15/11+2/9
\(F=\frac{5-\frac{5}{3}+\frac{5}{9}-\frac{5}{27}}{8-\frac{8}{3}+\frac{8}{9}-\frac{8}{27}}:\frac{15-\frac{15}{11}+\frac{15}{121}}{16-\frac{16}{11}+\frac{16}{121}}\)
Tính nhanh
a/ (5/12 + 1/8 - 7/11) / (49/11 - 7/8 - 35/12)
b/ ( 5 - 5/3 - 5/9 - 5/27) / (-8 + 8/3 + 8/9 + 8/27) : (15 - 15/11 - 15/121) / (16 - 16/11 - 16/121)
1> Tính
a) 3/11 + 5/-9 + 4/11 - 4/9 + 3/17 + 15/11
b) M = -3 * 4 - 6 * 8 - 9 * 12 - 12 * 16 - 16 * 20 / -1 * 2 - 2 * 4 - 3 * 6 - 4 * 8 - 6 * 10
c) N = 5/7 - 5/9 - 5/11 / 15/7 + 15/9 + 15/11
d) 4 + 4/73 * 1/23 / 5 + 5/73 * 1/23
nhanh lên nha mk đang cần gấp
thanks nha
a, -15/16 + 9/16 + 11/16
b, 2/3 . (1,4) + 1,6 . 2/3 - 1,2 . 2/3
c, 3 và 2/15. 3/5+ 3 và 2/15. 2/5- 31/15
a -5/9 + ( 17/20 - 4/9 ) b (7/15 - 11/20 ). -25/3 c ( 5/6 - 1/2 ).(8/15 - 3/15) d 11/12 + 7/16 : -3/4 - 13/12 giup mimh voi minh tich cho