13/15: 1 1/25-(-3/4)*(-8/9) решить

Question

13/15: 1 1/25-(-3/4)*(-8/9) решить

Answer 1

1)13/15*25/11=65/33
2)3/4*8/9=2/3
3)65/33+2/3=65+22/33=87/33=2 7/11