tính
14/27 : 7/18 * 6/5 + 3/10
14/27:7/18*6/5+3/10
14/28 : 7/18 x 6/5 + 3/10
= 9/7 x 6/5 + 3/10
= 54/35 + 3 / 10
=108/70 + 21/70
= 129/70
Tk mk nha
\(\frac{14}{27}:\frac{7}{18}x\frac{6}{5}+\frac{3}{10}=\frac{4}{3}x\frac{6}{5}+\frac{3}{10}=\frac{8}{5}+\frac{3}{10}=\frac{19}{10}\)
14/27 : 7/18 × 6/5 + 3/10
\(\frac{14}{27}:\frac{7}{18}\cdot\frac{6}{5}+\frac{3}{10}\)
\(=\frac{14}{27}\cdot\frac{18}{7}\cdot\frac{6}{5}+\frac{3}{10}\)
\(=\frac{14\cdot18\cdot6}{27\cdot7\cdot5}+\frac{3}{10}\)
\(=\frac{2\cdot7\cdot9\cdot2\cdot3\cdot2}{3\cdot9\cdot7\cdot5}+\frac{3}{10}\)
\(=\frac{8}{5}+\frac{3}{10}\)
\(=\frac{16}{10}+\frac{3}{10}\)
\(=\frac{19}{10}\)
14/27 ÷ 7/18 × 6/5 + 3/10 =
\(\frac{14}{27}:\frac{7}{18}\cdot\frac{6}{5}+\frac{3}{10}\)
\(=\frac{4}{3}\cdot\frac{6}{5}+\frac{3}{10}\)
\(=\frac{8}{5}+\frac{3}{10}\)
\(=\frac{19}{10}\)
. là nhân nha
-10/3 + 13/10-1/6+7/10
1-20/6 +39/30-4/24+34/50
15/24-6/26+28/48-30/39+10/24
-5/10+12/28-3/27-7/18+20/35
a) 2^7 . 9^3 / 6^5 . 8^2
b) 6^10 . 27^5 / 4^5 . 81^6
c) 3^18 . 32^9 / 64^7 . 27^6
d) 9^12 . 3^5 + 9^15 / ( 2. 27 )^5 . 3^14
e) 5^4 + 2^2 . 5^2 - 125 / 2^3 . 3
a) 2^7 . 9^3 / 6^5 . 8^2
= 2^7 . 3^9 / 2^5 . 3^5 . 2^6
= 2^-4 . 3^4
a) 3/13 + 7/12 - 10/13 + 5/12 | d) -5/10 + 12/28 - 3/27 - 7/18 + 20/35 |
b) 15/24 - 6/26 + 28/48 - 30/39 + 10/24 | e) 1/56 + 1/72 + 1/90 + 1/110 + 1/132+ 1/156 = |
c) -1/2 + 3/7 - 1/9 - 7/18 + 4/7 = |
nếu làm nhanh ngay thì tick và followwwww
B = -3 - 2/3 + 3/5 (-10/9 - 25/3) - 5/6
C = (12/35 - 6/7 + 18/14 : 6/-7 - -2/5-1
D = [(-54/64 - (1/9 : 8/27 :-81/128]
14/27 : 7/18 x 6/5 + 3/10
giúp mik câu này nữa nha
= 4/3 x 6/5 + 3/10
= 8/5 +3/10
= 19/10
thực hiện phép tính
1/2+3/5+2/6
7/5+1/7+14/10+1
3/7+1/5+1/7+2/10+2
15/27+1/9+3/5+2/18
\(\frac{1}{2}+\frac{3}{5}+\frac{2}{6}=\frac{11}{10}+\frac{2}{6}=\frac{43}{30}\)
\(\frac{7}{5}+\frac{1}{7}+\frac{14}{10}+1=\frac{54}{35}+\frac{14}{10}+1=\frac{129}{35}\)
104/35
62/45