Proszę zadanie 32 na teraz daje 100 pkt.



Proszę Zadanie 32 Na Teraz Daje 100 Pkt class=

Odpowiedź :

Odpowiedź:

a )  1,2 + 5/6= 1 i 2/10 +5/6= 1 i 6/30 + 25/30= 1 i 31/30=  2 i 1/30

b)  4,8 - 1 i 1/3= 4 i 8/10 - 1 i 1/3= 4 i 4/5 - 1 i 1/3= 4 i 12/15- 1 i 5/15= 3 i 7/15

c)  33,3 + 1/3 -1,25= 33 i 3/10  + 1/3 - 1 i 1/4=33 i 18/60 + 20/60 - 1 i 15/60=

      = 33 i 38/60 - 1 i 15/60= 32 i 23/60

d)  3,25 - 1 i 1/3 - 1,5=  3 i 1/4 -1 i 1/3 - 1 i 1/2= 3 i 3/12 - 1 i 4/12 - 1 i 6/12=

   =   3 i 15/12- 2 i 10/12= 1 i 5/12

Szczegółowe wyjaśnienie:

[tex]1,2 + \frac{5}{6} =\frac{12}{10} + \frac{5}{6} = \frac{6}{5} + \frac{5}{6} = \frac{36 \ +\ 25}{30} = \frac{61}{30} = \boxed{2 \frac{1}{30}}[/tex]

[tex]4,8 - 1\frac{1}{3} = \frac{48}{10} - 1 \frac{1}{3} = \frac{24}{5} - 1\frac{1}{3} = \frac{24}{5} - \frac{4}{3} = \frac{72 \ - \ 20}{15} = \frac{52}{15} = \boxed{3 \frac{7}{15}}[/tex]

[tex]33,3 + \frac{1}{3} - 1,25 = 32,05 + \frac{1}{3} = \frac{3205}{100} + \frac{1}{3} = \frac{641}{20} + \frac{1}{3} = \frac{1923 \ + \ 20}{60} = \frac{1943}{60} = \boxed{32 \frac{23}{60}}[/tex]

[tex]3,25 - 1\frac{1}{3} - 1,5 = 1,75 - \frac{4}{3} = \frac{175}{100} - \frac{4}{3} = \frac{7}{4} - \frac{4}{3} = \frac{21 \ - \ 16}{12} = \boxed{\frac{5}{12}}[/tex]