Question

oblicz

3/14 : 6 + 2 całości i 3/7 :4=

2 całośi i 7/9 : 10 - 3/72 * 4=

proszę

Answer 1

3/14 :6 +2i3/7 : 4=

3/14 * 1/6 + 17/7 * 1/4=

1/14 *1/2 + 17/28=

1/28 + 17/28 = 18/28 = 9/14

 

2i7/9 :10 -3/72 *4=

25/9 *1/10 - 12/72 =

5/9 * 1/2 - 12/72=

5/18 - 12/72= 

20/72 - 12/72 = 8/72= 1/9

Answer 2

3/14 : 6 + 2 3/7 : 4 = 3/14*1/6 + 17/7*1/4 = 1/28 + 17/28 = 18/28 = 9/14

 

2 7/9 : 10 - 3/72 * 4 = 25/9 * 1/10 - 1/24 * 4 = 5/18 - 1/6 = 5/18 - 3/18 = 2/18 = 1/9