Odpowiedź:
2/5 + 7/10 = 4/10 + 7/10 = 11/10 = 1 i 1/10
4/5 - 4/15 = 12/15 - 4/15 = 8/15
11/30 + 1/6 = 11/30 + 5/30 = 16/30 = 8/15
2 - 5/11 = 1 i 11/11 - 5/11 = 1 i 6/11
8 - 1 i 3/4 = 7 i 4/4 - 1 i 3/4 = 6 i 1/4
12 - 4 i 1/9 = 11 i 9/9 - 4 i 1/9 = 7 i 8/9
2 i 4/7 - 1 i 1/2 = 2 i 8/14 - 1 i 7/14 = 1 i 1/14
12 i 2/3 + 1 i 3/4 = 12 i 8/12 + 1 i 9/12 = 13 i 17/12 = 14 i 5/12
8 i 1/8 - 2/3 = 8 i 3/24 - 16/24 = 7 i 27/24 - 16/24 = 7 i 11/24
6 i 1/4 - 3 i 5/6 = 6 i 3/12 - 3 i 10/12 = 5 i 15/12 - 3 i 10/12 = 2 i 5/12
7 i 1/6 + 6 i 1/8 = 7 i 4/24 + 6 i 3/24 = 13 i 7/24
6 i 1/3 - 3 i 5/6 = 6 i 2/6 - 3 i 5/6 = 5 i 8/6 - 3 i 5/6 = 2 i 3/6 = 2 i 1/2
zad 3
3/8 + 5/6 - 7/12 = 9/24 + 20/24 - 14/24 = 29/24 - 14/24 = 15/24
2 i 1/6 - 1 i 1/2 + 1/8 = 2 i 4/24 - 1 i 12/24 + 3/24 = 1 i 28/24 - 1 i 12/24 + 3/24 = 16/24 + 3/24 = 19/24
5 i 1/14 - 2 i 1/4 - 1 i 3/7 = 5 i 2/28 - 2 i 7/28 - 1 i 12/28 = 4 i 30/28 - 2 i 7/28 - 1 i 12/28 = 2 i 23/28 - 1 i 12/28 = 1 i 11/28
zadanie 2:
a) 3/5 + 7/10 = 6/10 + 7/10 = 1 i 3/10
11/30 + 1/6 = 11/30 + 5/30 = 16/30
b) 2 - 5/11 = 22/11 - 5/11 = 17/11 = 1 i 6/11
8 - 1 i 3/4= 32/4 - 7/4 = 25/4 = 6 i 1/4
12-4 i 1/2 = 108/9 - 37/9 = 71/9 = 7 i 8/9
c) 2 i 4/7 - 1 i 1/2 = 2 i 8/14 - 1 i 7/14 = 1 i 1/14
12 i 2/3 + 1 i 3/4 = 12 i 8/12 + 1 i 9/12 = 13 i 77/12 = 14 i 5/12
8 i 1/8 - 2/3 = 8 i 3/24 - 16/24 = 7 i 11/24
d) 6 i 1/4 - 3 i 5/6 = 6 i 3/12 - 3 i 10/12 = 3 u 3/12 - 10/12 = 2 i 15/12 - 10/12 = 2 i 5/12
6 i 1/3 - 3 i 5/6 = 3 i 4/12 - 10/12 = 2 i 6/12 = 2 i 1/2
zadanie 3
a) 3/8 + 5/6 - 7/12 = 9/24 + 20/24 - 14/24 = 29/24 - 14/24 = = 15/24
b) 2 i 1/6 - 1 i 1/2 + 1/8 = 52/24 - 36/24 + 3/24 = 16/24 + 3/24 = 19/24
c) 5 i 1/14 - 2 i 1/4 - 1 i 3/7 = 142/28 - 63/28 - 40/28 = 79/28 - 40/28 = 39/28 =1 i 11/28
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Odpowiedź:
2/5 + 7/10 = 4/10 + 7/10 = 11/10 = 1 i 1/10
4/5 - 4/15 = 12/15 - 4/15 = 8/15
11/30 + 1/6 = 11/30 + 5/30 = 16/30 = 8/15
2 - 5/11 = 1 i 11/11 - 5/11 = 1 i 6/11
8 - 1 i 3/4 = 7 i 4/4 - 1 i 3/4 = 6 i 1/4
12 - 4 i 1/9 = 11 i 9/9 - 4 i 1/9 = 7 i 8/9
2 i 4/7 - 1 i 1/2 = 2 i 8/14 - 1 i 7/14 = 1 i 1/14
12 i 2/3 + 1 i 3/4 = 12 i 8/12 + 1 i 9/12 = 13 i 17/12 = 14 i 5/12
8 i 1/8 - 2/3 = 8 i 3/24 - 16/24 = 7 i 27/24 - 16/24 = 7 i 11/24
6 i 1/4 - 3 i 5/6 = 6 i 3/12 - 3 i 10/12 = 5 i 15/12 - 3 i 10/12 = 2 i 5/12
7 i 1/6 + 6 i 1/8 = 7 i 4/24 + 6 i 3/24 = 13 i 7/24
6 i 1/3 - 3 i 5/6 = 6 i 2/6 - 3 i 5/6 = 5 i 8/6 - 3 i 5/6 = 2 i 3/6 = 2 i 1/2
zad 3
3/8 + 5/6 - 7/12 = 9/24 + 20/24 - 14/24 = 29/24 - 14/24 = 15/24
2 i 1/6 - 1 i 1/2 + 1/8 = 2 i 4/24 - 1 i 12/24 + 3/24 = 1 i 28/24 - 1 i 12/24 + 3/24 = 16/24 + 3/24 = 19/24
5 i 1/14 - 2 i 1/4 - 1 i 3/7 = 5 i 2/28 - 2 i 7/28 - 1 i 12/28 = 4 i 30/28 - 2 i 7/28 - 1 i 12/28 = 2 i 23/28 - 1 i 12/28 = 1 i 11/28
Odpowiedź:
zadanie 2:
a) 3/5 + 7/10 = 6/10 + 7/10 = 1 i 3/10
4/5 - 4/15 = 12/15 - 4/15 = 8/15
11/30 + 1/6 = 11/30 + 5/30 = 16/30
b) 2 - 5/11 = 22/11 - 5/11 = 17/11 = 1 i 6/11
8 - 1 i 3/4= 32/4 - 7/4 = 25/4 = 6 i 1/4
12-4 i 1/2 = 108/9 - 37/9 = 71/9 = 7 i 8/9
c) 2 i 4/7 - 1 i 1/2 = 2 i 8/14 - 1 i 7/14 = 1 i 1/14
12 i 2/3 + 1 i 3/4 = 12 i 8/12 + 1 i 9/12 = 13 i 77/12 = 14 i 5/12
8 i 1/8 - 2/3 = 8 i 3/24 - 16/24 = 7 i 11/24
d) 6 i 1/4 - 3 i 5/6 = 6 i 3/12 - 3 i 10/12 = 3 u 3/12 - 10/12 = 2 i 15/12 - 10/12 = 2 i 5/12
7 i 1/6 + 6 i 1/8 = 7 i 4/24 + 6 i 3/24 = 13 i 7/24
6 i 1/3 - 3 i 5/6 = 3 i 4/12 - 10/12 = 2 i 6/12 = 2 i 1/2
zadanie 3
a) 3/8 + 5/6 - 7/12 = 9/24 + 20/24 - 14/24 = 29/24 - 14/24 = = 15/24
b) 2 i 1/6 - 1 i 1/2 + 1/8 = 52/24 - 36/24 + 3/24 = 16/24 + 3/24 = 19/24
c) 5 i 1/14 - 2 i 1/4 - 1 i 3/7 = 142/28 - 63/28 - 40/28 = 79/28 - 40/28 = 39/28 =1 i 11/28