Poproszę o dokończenie tych zadań gdzie są puste pola :)


4.
a) 2/3 + 1/3 = 1
31/100 + 69/100 = 1
b)
5/8 + 3/8 = 1
8/15 + 7/15 = 1
2/13 + 7/13 + 4/13 = 1
5.
c) 6/10 + 7/10 =13/10 = 1 3/10
d) 12/17 + 7/17 = 19/17 = 1 2/17
e) 27/40 + 23/40 = 50/40 = 1 10/40
f) 28/50 + 33/50 = 61/50 =1 11/50
6.
1 4/7 + 2 2/7 = 3 6/7
7.
a)
4 1/9 + 2 3/9 = 6 4/9
b)
3 5/10 + 6 = 9 5/10
5 + 4 2/3 = 9 2/3
c)
2 1/5 + 2/5= 2 3/5
7 5/7 + 1 1/7 = 8 6/7
9.
2 5/7 + 1 6/7 = 3 11/7 = 4 4/7
10.
c) 5 5/9 + 4 5/9 = 9 10/9 = 10 1/9
d) 3 5/13 + 8 10/13= 11 15/13 = 12 2/13
e) 1 3/7 + 2 3/7 + 3 3/7 = 6 9/7 = 7 2/7
f) 1 5/8 + 9 5/8 + 1 7/8 = 11 17/8 = 12 9/8 = 13 1/8
g) 8 3/10 + 4 3/10 + 7/10 = 12 14/10 = 13 4/10
h) 7/15 + 3 8/15 + 5 11/15= 8 26/15 = 9 11/15
Mam nadzieję, że dobrze :))
Odpowiedź:
Zad.4
2/3 + 1/3 = 1
31/100 - 69/100 = 1
Zad.5
5/8 + 3/8 = 1
8/15 + 7/15 = 1
2/13 + 7/13 + 4/13 = 1
Zad.6
c)8/10 + 7/10 = 15/10 = 1 5/10 = 1 1/2
d)12/17 + 7/17 = 19/17 = 1 2/17
e)27/40 + 23/40 = 50/40 = 1 10/40 = 1 1/4
f)28/50 + 33/50 = 61/50 = 1 11/50
Zad.6
1 4/7 + 2 2/7 = 3 6/7
Zad.7
a)4 1/9 + 2 3/9 = 6 4/9
b)3 5/10 + 6 = 9 5/10 = 9 1/2
5 + 4 2/3 = 9 2/3
c)2 1/5 + 2/5 = 2 3/5
7 5/7 + 1 1/7 = 8 6/7
Zad.10
c)5 5/9 + 4 5/9 = 9 10/9 = 10 1/9
d)3 5/13 + 8 10/13 = 11 15/13 = 12 2/13
e)1 3/7 + 2 3/7 + 3 3/7 = 6 9/7 = 7 3/7
f)1 5/8 + 9 5/8 + 1 7/8 = 11 17/8 = 13 1/8
g)8 3/10 + 4 3/10 + 7/10 = 12 13/10 = 13 3/10
h)7/15 + 3 8/15 + 5 11/15 = 8 24/15 = 9 9/15
Szczegółowe wyjaśnienie:
Mam nadzieję że pomogłam :)