Welk getal ontbreekt t/m 50?

Optellen

Oefening 1
1.	15	+		=	27
2.	15	+		=	24
3.	13	+		=	26
4.	6	+		=	12
5.	25	+		=	36
6.	20	+		=	25
7.	21	+		=	30
8.	15	+		=	24
9.	20	+		=	26
10.	24	+		=	35

Oefening 2
1.	20	+		=	35
2.	25	+		=	40
3.	20	+		=	39
4.	19	+		=	27
5.	21	+		=	28
6.	13	+		=	19
7.	13	+		=	22
8.	19	+		=	31
9.	20	+		=	30
10.	23	+		=	29

Oefening 3
1.	19	+		=	37
2.	25	+		=	35
3.	23	+		=	34
4.	25	+		=	46
5.	24	+		=	45
6.	8	+		=	13
7.	10	+		=	16
8.	13	+		=	25
9.	23	+		=	46
10.	22	+		=	27

Oefening 4
1.	24	+		=	41
2.	9	+		=	16
3.	23	+		=	35
4.	17	+		=	26
5.	22	+		=	31
6.	24	+		=	39
7.	12	+		=	19
8.	22	+		=	38
9.	11	+		=	20
10.	25	+		=	37

Welk getal ontbreekt t/m 50?
| ANTWOORDEN

Optellen

Oefening 1
1.	15	+	12	=	27
2.	15	+	9	=	24
3.	13	+	13	=	26
4.	6	+	6	=	12
5.	25	+	11	=	36
6.	20	+	5	=	25
7.	21	+	9	=	30
8.	15	+	9	=	24
9.	20	+	6	=	26
10.	24	+	11	=	35

Oefening 2
1.	20	+	15	=	35
2.	25	+	15	=	40
3.	20	+	19	=	39
4.	19	+	8	=	27
5.	21	+	7	=	28
6.	13	+	6	=	19
7.	13	+	9	=	22
8.	19	+	12	=	31
9.	20	+	10	=	30
10.	23	+	6	=	29

Oefening 3
1.	19	+	18	=	37
2.	25	+	10	=	35
3.	23	+	11	=	34
4.	25	+	21	=	46
5.	24	+	21	=	45
6.	8	+	5	=	13
7.	10	+	6	=	16
8.	13	+	12	=	25
9.	23	+	23	=	46
10.	22	+	5	=	27

Oefening 4
1.	24	+	17	=	41
2.	9	+	7	=	16
3.	23	+	12	=	35
4.	17	+	9	=	26
5.	22	+	9	=	31
6.	24	+	15	=	39
7.	12	+	7	=	19
8.	22	+	16	=	38
9.	11	+	9	=	20
10.	25	+	12	=	37