1)
35
12
:
5
2
=
35
12
∗
2
5
=
35∗2
12∗5
=
7
6
2) \frac{15}{17} :5=\frac{15}{17}*\frac{1}{5} =\frac{15*1}{17*5} =\frac{3}{17}2)
17
15
:5=
17
15
∗
5
1
=
17∗5
15∗1
=
17
3
3)4:\frac{20}{21} =4*\frac{21}{20}=\frac{4*21}{20} = \frac{21}{5} =4\frac{1}{5} =4,23)4:
21
20
=4∗
20
21
=
20
4∗21
=
5
21
=4
5
1
=4,2
4)8\frac{3}{4}:2\frac{1}{3} =\frac{35}{4}:\frac{7}{3} =\frac{35}{4} *\frac{3}{7} =\frac{5*3}{4}=\frac{15}{4}=3\frac{3}{4}4)8
4
3
:2
3
1
=
4
35
:
3
7
=
4
35
∗
7
3
=
4
5∗3
=
4
15
=3
4
3
=3,75=3,75
