balance-scale/2-item/expert · Zestaw 3
20 problems
Imię i nazwisko:
Klasa:
Data:
1
[?] 9
=
2
[6 + ?] 18
=
3
[4 + 1 + ?] 18
=
4
[2 + 1 + ?] 7
=
5
[?] 16
=
6
[4 + ?] 19
=
7
[?] 16
=
8
[3 + 1 + ?] 14
=
9
[3 + 2 + ?] 13
=
10
[2 + 1 + ?] 7
=
11
[?] 18
=
12
[2 + ?] 4
=
13
[?] 13
=
14
[?] 20
=
15
[4 + 2 + ?] 20
=
16
[?] 7
=
17
[?] 22
=
18
[3 + ?] 7
=
19
[2 + ?] 13
=
20
[1 + ?] 19
=