Welk getal ontbreekt t/m 50?

Optellen

Oefening 1
1.	25	+		=	40
2.	24	+		=	25
3.	7	+		=	8
4.	23	+		=	42
5.	18	+		=	31
6.	18	+		=	36
7.	9	+		=	10
8.	21	+		=	27
9.	12	+		=	23
10.	11	+		=	19

Oefening 2
1.	3	+		=	4
2.	17	+		=	19
3.	25	+		=	26
4.	22	+		=	33
5.	14	+		=	23
6.	11	+		=	18
7.	14	+		=	26
8.	15	+		=	18
9.	23	+		=	42
10.	8	+		=	10

Oefening 3
1.	19	+		=	20
2.	20	+		=	37
3.	16	+		=	30
4.	25	+		=	40
5.	23	+		=	34
6.	15	+		=	21
7.	12	+		=	23
8.	16	+		=	20
9.	23	+		=	43
10.	11	+		=	16

Oefening 4
1.	15	+		=	29
2.	15	+		=	21
3.	23	+		=	36
4.	22	+		=	43
5.	23	+		=	41
6.	6	+		=	10
7.	16	+		=	18
8.	24	+		=	37
9.	20	+		=	26
10.	17	+		=	24

Welk getal ontbreekt t/m 50?
| ANTWOORDEN

Optellen

Oefening 1
1.	25	+	15	=	40
2.	24	+	1	=	25
3.	7	+	1	=	8
4.	23	+	19	=	42
5.	18	+	13	=	31
6.	18	+	18	=	36
7.	9	+	1	=	10
8.	21	+	6	=	27
9.	12	+	11	=	23
10.	11	+	8	=	19

Oefening 2
1.	3	+	1	=	4
2.	17	+	2	=	19
3.	25	+	1	=	26
4.	22	+	11	=	33
5.	14	+	9	=	23
6.	11	+	7	=	18
7.	14	+	12	=	26
8.	15	+	3	=	18
9.	23	+	19	=	42
10.	8	+	2	=	10

Oefening 3
1.	19	+	1	=	20
2.	20	+	17	=	37
3.	16	+	14	=	30
4.	25	+	15	=	40
5.	23	+	11	=	34
6.	15	+	6	=	21
7.	12	+	11	=	23
8.	16	+	4	=	20
9.	23	+	20	=	43
10.	11	+	5	=	16

Oefening 4
1.	15	+	14	=	29
2.	15	+	6	=	21
3.	23	+	13	=	36
4.	22	+	21	=	43
5.	23	+	18	=	41
6.	6	+	4	=	10
7.	16	+	2	=	18
8.	24	+	13	=	37
9.	20	+	6	=	26
10.	17	+	7	=	24