Odpowiedź :
Odpowiedź:
1 i 1/3 * 2/5 = 4/3 * 2/5 = 8/15
5 i 1/2 * 3/4 = 11/2 * 3/4 = 33/8 = 4 i 1/8
3/8 * 6 i 3/4 = 3/8 * 27/4 = 81/32 = 2 i 17/32
2 i 2/5 * 5 i 1/2 = 12/5 * 11/2 = 66/5 = 13 i 1/5
1 i 2/3 * 3 i 1/8 = 5/3 * 25/8 = 125/24 = 5 i 5/24
4 i 1/6 * 3 i 1/4 = 25/6 * 13/4 = 325/24 = 13 i 13/24
a) [tex]\frac{8}{15}[/tex]
b) [tex]\frac{11}{2} * \frac{3}{4}=\frac{33}{8} = 4\frac{1}{8}[/tex]
c) [tex]\frac{3}{8} *\frac{27}{4}= \frac{81}{32}=2\frac{17}{32}[/tex]
d)[tex]\frac{6}{5} * 11 =\frac{66}{5}= 13\frac{1}{5}[/tex] (12 skraca sie z 2 dlatego zostaje 6 w liczniku a w mianowniku 1 dlatego zapisujemy poprostu 11)
e)[tex]\frac{5}{3}* \frac{25}{8}= \frac{125}{24}=5\frac{5}{24}[/tex]
f) [tex]\frac{25}{6} *\frac{13}{4}=\frac{325}{24} =13\frac{14}{24}= 13\frac{7}{12}[/tex]