Welk getal ontbreekt t/m 50?

Optellen

Oefening 1
1.	5	+		=	10
2.	20	+		=	30
3.	8	+		=	14
4.	24	+		=	46
5.	18	+		=	29
6.	19	+		=	33
7.	9	+		=	14
8.	19	+		=	33
9.	22	+		=	38
10.	10	+		=	18

Oefening 2
1.	22	+		=	40
2.	13	+		=	23
3.	22	+		=	37
4.	22	+		=	29
5.	21	+		=	36
6.	24	+		=	31
7.	19	+		=	34
8.	12	+		=	22
9.	14	+		=	26
10.	15	+		=	22

Oefening 3
1.	21	+		=	29
2.	24	+		=	35
3.	24	+		=	38
4.	20	+		=	37
5.	24	+		=	38
6.	22	+		=	36
7.	24	+		=	42
8.	25	+		=	42
9.	19	+		=	34
10.	22	+		=	37

Oefening 4
1.	23	+		=	40
2.	23	+		=	45
3.	12	+		=	22
4.	20	+		=	28
5.	20	+		=	38
6.	18	+		=	30
7.	25	+		=	43
8.	15	+		=	29
9.	15	+		=	21
10.	25	+		=	38

Welk getal ontbreekt t/m 50?
| ANTWOORDEN

Optellen

Oefening 1
1.	5	+	5	=	10
2.	20	+	10	=	30
3.	8	+	6	=	14
4.	24	+	22	=	46
5.	18	+	11	=	29
6.	19	+	14	=	33
7.	9	+	5	=	14
8.	19	+	14	=	33
9.	22	+	16	=	38
10.	10	+	8	=	18

Oefening 2
1.	22	+	18	=	40
2.	13	+	10	=	23
3.	22	+	15	=	37
4.	22	+	7	=	29
5.	21	+	15	=	36
6.	24	+	7	=	31
7.	19	+	15	=	34
8.	12	+	10	=	22
9.	14	+	12	=	26
10.	15	+	7	=	22

Oefening 3
1.	21	+	8	=	29
2.	24	+	11	=	35
3.	24	+	14	=	38
4.	20	+	17	=	37
5.	24	+	14	=	38
6.	22	+	14	=	36
7.	24	+	18	=	42
8.	25	+	17	=	42
9.	19	+	15	=	34
10.	22	+	15	=	37

Oefening 4
1.	23	+	17	=	40
2.	23	+	22	=	45
3.	12	+	10	=	22
4.	20	+	8	=	28
5.	20	+	18	=	38
6.	18	+	12	=	30
7.	25	+	18	=	43
8.	15	+	14	=	29
9.	15	+	6	=	21
10.	25	+	13	=	38