1)a)
3:2=1,5
2
10
10
==
B)
5:3=1,6666=1,(6)
3
20
18
=20
..18
..=20
C)
7:4=1,75
4
30
28
=20
..20
..==
D)
8:25=0,32
0
80
75
=50
...50
....==
2)a)
[tex]1.5 = \frac{15}{10} \div 5 = \frac{3}{2} [/tex]
B)
[tex]1.25 = \frac{125}{100} \div 5 = \frac{25}{20} \div 5 = \frac{5}{4} [/tex]
C)
[tex]1.(3) = \frac{13 - 1}{9} = \frac{12}{9} \div 3 = \frac{4}{3} [/tex]
D)
[tex]1.0(3) = \frac{103 - 10}{90} = \frac{93}{90} \div 3 \\ = \frac{31}{30} [/tex]
3)
[tex] \frac{75}{100} \times 300 = 75 \times 3 = 225[/tex]
