Question

7 phan 5 x 15 phan 49 -22 phan 15 : 7 phan 5

Answer 1

  7/5 x 15/49 - 22/15 : 7/5

= 3/7 -  22/21

= -13/21

Answer 2

7/5x15/49-22/15:7/5

  3/7       -      22/21

-13/21

Answer 3

âm 13/21

Answer 4

\(\frac{7}{5}\)x\(\frac{15}{49}\)-\(\frac{22}{15}\):\(\frac{7}{5}\)=-\(\frac{13}{21}\)nha