\(\frac{5}{7}.\frac{5}{11}+\frac{5}{7}.\frac{2}{11}+\frac{5}{11}.\frac{14}{7}=\left(\frac{5}{7}.\frac{5}{11}\right)+\left(\frac{5}{7}.\frac{2}{11}\right)+\left(\frac{5}{11}.\frac{14}{7}\right)=\frac{25}{77}+\frac{10}{77}+\frac{10}{11}=\frac{5}{11}+\frac{10}{11}=\frac{15}{11}\)
tính
5/7.5/11+5/7.2/11-5/7.14/11
k) (-1/2)2:1/4-2.(-1/2)2
m) (-2)3.-1/24+(4/3-1 5/6):5/12
n) (6 4/9 + 7/11) - (4 4/9 - 2 4/11)
p) 10 1/5 - 5 1/2. 60/11+3:15%
q) 5/7.5/11+5/7.2/11-5/7.14/11
r) -5/7.2/11+-5/7.9/11+1 5/7
GIÚP MÌNH VỚI Ạ. CẢM ƠN MỌI NGƯỜI!
6/7.5/11+5/7.2/11-5/7.14/11
giai chi tiet giup minh a
cam on:))
-5/7.2/11+-5/7.9/11+5/7
-5/7.2/11+-5/7.9/11+5/7
-5/7.2/11+-5/7.9/11+1/5/7
Tính
A = 5/7.2/11+5/7+12/11-5/7.7/11
-5/7.2/11+-5/7.9/11+1 và 5/7
-5/7.2/11-5/11.9/7+2 và 5/7
