balance-scale/2-item/expert · סט 4
20 problems
שם:
כיתה:
תאריך:
1
[1 + ?] 6
=
2
[?] 11
=
3
[3 + ?] 9
=
4
[6 + 4 + ?] 22
=
5
[?] 17
=
6
[?] 19
=
7
[?] 11
=
8
[2 + ?] 15
=
9
[?] 6
=
10
[?] 16
=
11
[3 + ?] 18
=
12
[1 + ?] 14
=
13
[2 + ?] 5
=
14
[6 + ?] 23
=
15
[3 + ?] 8
=
16
[2 + 2 + ?] 8
=
17
[?] 4
=
18
[1 + ?] 7
=
19
[1 + 1 + ?] 5
=
20
[?] 21
=