3 2/7 - 2 1/2 : 3 1/2

- Operasi -

3 2/7 - 2 1/2 : 3 1/2
= 23/7 - 5/2 : 7/2
= 23/7 - ( 5/2 x 2/7)
= 23/7 - ( 5/7)
= 23/7 - 5/7
= 18/7
= 2 4/7

semoga membantu
# sharing is caring #
-vin

[tex] = 3 \frac{2}{7} - 2 \frac{1}{2} \div 3 \frac{1}{2} \\ = \frac{23}{7} - \frac{5}{2} \div \frac{7}{2} \\ = \frac{23}{7} - ( \frac{5}{2} \times \frac{2}{7} ) \\ = \frac{23}{7} - \frac{5}{7} \\ = \frac{23 - 5}{7} \\ = \frac{18}{7} \\ = 2 \frac{4}{7} [/tex]