Odpowiedź:
1/2 + 1/7 = 7/14 + 2/14 = 9/14
2/5 + 3/7 = 14/35 + 15/35 = 29/35
2/3 + 1/8 = 2/24 = 1/12
3/10 + 5/9 = 27/90 + 50/90 = 77/90
2/10 + 1/15 = 2/150 = 1/75
1/6 + 1/4 = 2/12 + 3/12 = 5/12
5/12 + 3/8 = 10/24 + 9/24 = 19/24
5/21 + 3/14 = 10/42 + 9/42 = 19/42
a) 1/2+1/7=7/14+2/14=9/14
b) 2/5+3/7=14/35+15/35=29/35
c) 2/3+1/8=16/24+3/24=19/24
d) 3/10+5/9=27/90+50/90=77/90
e) 2/10+1/15=6/30+2/30=8/30
f) 1/6+1/4=2/12+3/12=5/12
g) 5/12+3/8=10/24+9/24=19/24
h) 5/21+3/14=10/42+9/42=19/42
Szczegółowe wyjaśnienie:
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Odpowiedź:
1/2 + 1/7 = 7/14 + 2/14 = 9/14
2/5 + 3/7 = 14/35 + 15/35 = 29/35
2/3 + 1/8 = 2/24 = 1/12
3/10 + 5/9 = 27/90 + 50/90 = 77/90
2/10 + 1/15 = 2/150 = 1/75
1/6 + 1/4 = 2/12 + 3/12 = 5/12
5/12 + 3/8 = 10/24 + 9/24 = 19/24
5/21 + 3/14 = 10/42 + 9/42 = 19/42
Odpowiedź:
a) 1/2+1/7=7/14+2/14=9/14
b) 2/5+3/7=14/35+15/35=29/35
c) 2/3+1/8=16/24+3/24=19/24
d) 3/10+5/9=27/90+50/90=77/90
e) 2/10+1/15=6/30+2/30=8/30
f) 1/6+1/4=2/12+3/12=5/12
g) 5/12+3/8=10/24+9/24=19/24
h) 5/21+3/14=10/42+9/42=19/42
Szczegółowe wyjaśnienie: