Question

1.Oblicz:

a) 1/3 + 3/4 = .................

2/3 + 5/7 = .................

5/6 + 4/9 = .................

5/8 + 7/10 = ................

b) 2 i 3/4 + 1/3 = .................

6 i 8/9 + 2 i 1/10 = ..............

2 i 7/9 + 3 i 5/6 = ..............

2 i 9/10 + 3 i 7/15 = .............

ZA POPRAWNĄ ODPOWIEDŹ DAJĘ NAJ:**

Answer 1

a)   1/3 + 3/4 =4/12+9/12= 1

      2/3 + 5/7 =14/21+15/21=1 i 8/15

      5/6 + 4/9 =15/18+8/18=1 i 5/18

      5/8 + 7/10=25/40+28/40=1 i 13/40 

b)    2 i 3/4 + 1/3 =2 i 9/12+4/12=1 i 1/12

     6 i 8/9 + 2 i 1/10 =6 i 80/90+2 i 9/90=8 i 89/90

       2 i 7/9 + 3 i 5/6 =2 i 14/18+3 i 15/18=6 i 11/18

     2 i 9/10 + 3 i 7/15 =2 i 27/30+3 i 14/30=6 i 11/30

Answer 2

a)

 

 

 

 

 

b)