subtraction/without-borrowing/expert · Набор 73
20 problems
Имя:
Класс:
Дата:
1
2 - 1
=
2
3 - 2
=
3
5 - 1
=
4
3 - 1
=
5
4 - 1
=
6
7 - 6
=
7
6 - 2
=
8
5 - 1
=
9
6 - 3
=
10
2 - 1
=
11
3 - 1
=
12
8 - 7
=
13
5 - 4
=
14
7 - 1
=
15
2 - 1
=
16
2 - 1
=
17
2 - 1
=
18
3 - 1
=
19
4 - 1
=
20
9 - 5
=