Question

bài 1

a;7/3 cộng 5/6 cộng 1/9

 

b;11 cộng 3/14 trừ 4/7

Answer 1

\(a.\frac{7}{3}+\frac{5}{6}+\frac{1}{9}\)

\(=\frac{42}{18}+\frac{15}{18}+\frac{2}{18}\)

\(=\frac{42+15+2}{18}\)

\(=\frac{59}{18}\)

Answer 2

mình cần gấp

Answer 3

a 59/18
b 149/14

Answer 4

mik ko biết mik có đúng ko

Answer 5

\(b.11+\frac{3}{14}-\frac{4}{7}\)

\(=\frac{154}{14}+\frac{3}{14}-\frac{4}{7}\)

\(=\frac{154}{14}+\frac{3}{14}-\frac{8}{14}\)

\(=\frac{154+3-8}{14}\)

\(=\frac{149}{14}\)