Odpowiedź:
1. a) 6
b) 1
c)10
d) [tex]\frac{1}{200\\}[/tex]
e) [tex]\sqrt \frac{900}{49}[/tex]= [tex]\frac{30}{7\\}[/tex]=4[tex]\frac{2}{7}[/tex]
f) 14
g) 1,4
2. a) 8+4=12
b)10:5=2
c)20-7=13
d) 6*3=18
e)9+11+30=50
f)2*8*10=160
3. a)[tex]\frac{2}{5} +\frac{7}{10} =\frac{4}{10} +\frac{7}{10}= \frac{11}{10} = 1\frac{1}{10}[/tex]
b)[tex]\frac{3}{8} - \frac{3}{4} = \frac{3}{8} -\frac{6}{8}= -\frac{3}{8}[/tex]
c)[tex]\frac{6}{7}*\frac{2}{3} =\frac{12}{21}=\frac{4}{7}[/tex]
d)[tex]\frac{5}{9}:\frac{1}{6} = \frac{5}{9} * \frac{6}{1} = \frac{30}{9}=3\frac{3}{9}=3\frac{1}{3}[/tex]
e)[tex]\frac{1}{6}+\frac{2}{6} +\frac{3}{6}=\frac{6}{6}=1[/tex]
f)[tex]\frac{2}{3}*\frac{3}{4}*\frac{4}{5} = \frac{24}{60}=\frac{2}{5}[/tex]
Szczegółowe wyjaśnienie:
<3
