Question

a (6/11+5/11) ×3/7                           b (6/7-4/7) : 2/5

giúp mình với

Answer 1

a: =11/11x3/7=3/7

b: =2/7x5/2=5/7

Answer 2

\(a,\left(\dfrac{6}{11}+\dfrac{5}{11}\right)\times\dfrac{3}{7}=\dfrac{11}{11}\times\dfrac{3}{7}=1\times\dfrac{3}{7}=\dfrac{3}{7}\\ b,\left(\dfrac{6}{7}-\dfrac{4}{7}\right):\dfrac{2}{5}=\dfrac{2}{7}\times\dfrac{5}{2}=\dfrac{5}{7}\)

Answer 3

a 11/11x3/7=3/7

b 2/7x5/2=5/7

Answer 4

a= 3/7                                        b= 15/14

Answer 5

3/7

5/7

Answer 6

a) \(\dfrac{11}{11}x\dfrac{3}{7}=1x\dfrac{3}{7}=\dfrac{3}{7}\)

b) \(\dfrac{2}{7}:\dfrac{2}{5}=\dfrac{2}{7}x\dfrac{5}{2}=\dfrac{5}{7}\)