2. Kirjuta antud hulgas olevad arvud õigele kohale.
350
116 280
230
470
161 499
705 507
780 580
910
650 850
3. Leia puuduvad arvud.
Võta tabel appi!
|
....... x 6 = 30
|
....... x 6 = 42
|
....... x 7 = 35
|
....... x 7 = 28
|
|
....... x 8 = 40
|
....... x 8 = 64
|
....... x 5 = 45
|
....... x 8 = 18
|
|
....... x 4 = 32
|
....... x 4 = 36
|
....... x 9 = 45
|
....... x 9 = 54
|
|
....... x 3 = 21
|
....... x 3 = 27
|
....... x 8 = 48
|
....... x 6 = 60
|
|
x
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
|
2
|
4
|
6
|
8
|
10
|
12
|
14
|
16
|
18
|
20
|
|
3
|
6
|
9
|
12
|
15
|
18
|
21
|
24
|
27
|
30
|
|
4
|
8
|
12
|
16
|
20
|
24
|
28
|
32
|
36
|
40
|
|
5
|
10
|
15
|
20
|
25
|
30
|
35
|
40
|
45
|
50
|
|
6
|
12
|
18
|
24
|
30
|
36
|
42
|
48
|
54
|
60
|
|
7
|
14
|
21
|
28
|
35
|
42
|
49
|
56
|
63
|
70
|
|
8
|
16
|
24
|
32
|
40
|
48
|
56
|
64
|
72
|
80
|
|
9
|
18
|
27
|
36
|
45
|
54
|
63
|
72
|
81
|
90
|
|
10
|
20
|
30
|
40
|
50
|
60
|
70
|
80
|
90
|
100
|
4. Nuputa.
Millist üht ja sama arvu on lahutatud?
18 - ....... - ....... - ....... = 0
21 - ....... - ....... - ....... = 0
Mis arv sobib tühjale kohale?
.......- 2 - 2 - 2 - 2 = 0
.......- 3 - 3 - 3 - 3 - 3 - 3 - 3 = 0
|