This document contains math word problems involving fractions and operations between fractions such as addition, subtraction, multiplication, and division. It asks the reader to represent fractions in improper form, find errors in worked problems, and calculate fractions.

2. №1 Представьте в виде неправильной
дроби:
2
23
3 =
7
7
3
135
12
=
11
11
1
11
5 =
2
2
7
4
25
7
31
3 =
8
11
107
=
25
8
8 =
1

3. №2 Найдите ошибки:
3
2 3
2 ⋅3
6
1) ⋅ =
=
9 7 1 9 ⋅7
7
1
3
1
3 ⋅ 28
28
2) ⋅ 3 =
=
5
9
5 ⋅93
15
3 1
11 ⋅1
11
3) 2 : =
=
4 8
4 ⋅8
32
1
5
1 ⋅5
1
4) 5 : =
=
7
5 ⋅7
7
1

4. 2
3 8
11 ⋅8
3 1
=22
3) 2 : =2 ⋅ =
4 1
4 ⋅1
4 8
1
5
4) 5 : =
7

6. №1 Вычислите:
2
1
3 2
3 14 3 ⋅14
1) :
= ⋅
=
=3
7 14
7 2
7 ⋅2
1
1
5
4
1 5
1 8
25 ⋅8
20
2
2) 4 : =4 ⋅ =
=
=6
6 8
6 5
6 ⋅5
3
3
1
3
6
15
17 18 ⋅17 102
1
3) 18 :
=18 ⋅
=
=
=20
17
15
1 ⋅15
5
5
5