Odpowiedź :
Odpowiedź:
[tex]a)4 *5\frac{1}{3} =4*\frac{16}{3} =\frac{64}{3} =21\frac{1}{3} \\\\b)9*3\frac{1}{5} =9*\frac{16}{5} =\frac{144}{5}=28\frac{4}{5}\\\\c)2\frac{3}{7} *4=\frac{17}{7} *4=\frac{68}{7} =9\frac{5}{7}\\\\d)3\frac{2}{9} *5=\frac{29}{9} *5=\frac{145}{9}=16\frac{1}{9}\\\\e) 4\frac{1}{4} *7=\frac{17}{4} *7=\frac{119}{4}=29\frac{3}{4}\\\\f) 6*2\frac{5}{12} =6*\frac{29}{12} =\frac{29}{2}=14\frac{1}{2}[/tex]
Odpowiedź:
4 * 5 i 1/3 = 4 * 16/3 = 64/3 = 21 i 1/3
9 * 3 i 1/5 = 9 * 16/5 = 144/5 = 28 i 4/5
2 i 3/7 * 4 = 17/7 * 4 = 68/7 = 9 i 5/7
3 i 2/9 * 5 = 29/9 * 5 = 145/9 = 16 i 1/9
4 i 1/4 * 7 = 17/4 * 7 = 119/4 = 29 i 3/4
6 * 2 i 5/12 = 6 * 29/12 = 174/12 = 14 i 6/12 = 14 i 1/2