Odpowiedź :
Odpowiedź:
a)1/2 * 30 = 30/60
1/3 * 20 = 20/60
2/5 * 12 = 24/60
4/6 * 10 = 40/60
9/15 * 4 = 36/60
9/20 * 3 = 27/60
9/10 * 6 = 54/60
3/12 * 5 = 15/60
6/15 * 4 = 24/60
12/30 * 2 = 24/60
b)1/2 * 36 = 36/72
1/3 * 36 = 36/108
2/5 * 18 = 36/90
4/6 * 9 = 36/54
9/15 * 4 = 36/60
9/20 * 4 = 36/80
9/10 * 4 = 36/40
3/12 * 12 = 36/144
6/15 * 6 = 36/90
12/30 * 3 = 36/90
Szczegółowe wyjaśnienie:
a) [tex]\frac{1}{2} =\frac{30}{60} \\\frac{1}{3} =\frac{20}{60} \\\frac{2}{5} =\frac{24}{60} \\\frac{4}{6} =\frac{40}{60} \\\frac{9}{15} =\frac{36}{60}[/tex]
b) [tex]\frac{9}{20} =\frac{36}{80} \\\frac{9}{10} =\frac{3}{12} \\\frac{6}{15} =\frac{36}{90} \\\frac{3}{12} =\frac{36}{144} \\\frac{12}{30} =\frac{36}{90}[/tex]
:-)