Question

1-k=3/5+1/10;   x+2цел.и 3/8=5цел.1/4-1цел.3/8

Answer 1

1-k=6/10+1/10
1-k=7/10
k=1- 7/10
k=3/10

х+ 2 3/8=5 1/4- 1 3/8
х+ 2 3/8=5 2/8-1 3/8
х+2 3/8=3 7/8
х=3 7/8-2 3/8
х=1 4/8
х=1 1/2