Question

Oblicz. TAM GDZIE TRZEBA SKRÓCIĆ TO PROSZĘ O SKRÓCENIE.

a) 3/5 + 1/5 + 2/5 =
7/8 + 1/8 + 5/8 =
3/4 + 1/4 + 2/4 =
3/7 + 5/7 + 4/7 =

b) 1 1/4 + 2 3/4 =
3 5/6 + 2 1/6 =
4 1/10 + 3 7/10 =
2 4/5 + 5 4/5 =

c) 5/8 - 3/8 =
3/4 - 1/4 =
5/6 - 1/6 =
6/7 - 3/7 =

d) 1 4/5 - 3/5 =
2 1/6 - 1 5/6 =
2 1/4 - 1 3/4 =
4 1/8 - 2 7/8 =

Answer 1

a) 3/5 + 1/5 + 2/5 = 6/5=1 1/5
7/8 + 1/8 + 5/8 =13/8=1 5/8
3/4 + 1/4 + 2/4 =6/4=1 2/4= 1 1/2
3/7 + 5/7 + 4/7=12/7= 1 5/7

b)  1 1/4 + 2 3/4 = 4
    3 5/6 + 2 1/6 = 6
    4 1/10 + 3 7/10 = 12 8/10  
    2 4/5 + 5 4/5 = 7 8/5 = 8 3/5

c) 5/8 - 3/8 = 2/8
    3/4 - 1/4 = 2/4 = 1/2
    5/6 - 1/6 = 4/6
    6/7 - 3/7 = 3/7

d) 1 4/5 - 3/5 = 1 1/5
    2 1/6 - 1 5/6 = 2/6
    2 1/4 - 1 3/4 = 2/4 = 1/2
    4 1/8 - 2 7/8 = 1 2/8

Myślę że pomogłam :-) . Liczę na Naj. :3