1 3/4 * 2= 3 * 2 1/9= 8 * 3 1/2=

Question

1 3/4 * 2=
3 * 2 1/9=
8 * 3 1/2=

Answer 1

7/2
19/3
28
как то так...

Answer 2

1 3/4 *2 = 7/2 = 3 1/2
3*2 1/9 = 3/1* 19/9 =19/3
8* 3 1/2 = 8/1 * 7/2 = 4/1 * 7/1 = 28