Welk getal ontbreekt t/m 30?

Aftrekken

Oefening 1
1.	11	-		=	4
2.	30	-		=	15
3.	26	-		=	11
4.	25	-		=	18
5.	24	-		=	12
6.	29	-		=	7
7.	9	-		=	8
8.	12	-		=	6
9.	25	-		=	21
10.	27	-		=	14

Oefening 2
1.	23	-		=	5
2.	16	-		=	2
3.	27	-		=	13
4.	22	-		=	1
5.	8	-		=	1
6.	24	-		=	2
7.	29	-		=	1
8.	23	-		=	17
9.	23	-		=	22
10.	26	-		=	15

Oefening 3
1.	30	-		=	24
2.	29	-		=	15
3.	20	-		=	12
4.	30	-		=	4
5.	21	-		=	2
6.	15	-		=	10
7.	13	-		=	10
8.	20	-		=	9
9.	30	-		=	24
10.	30	-		=	16

Oefening 4
1.	4	-		=	1
2.	17	-		=	6
3.	15	-		=	2
4.	17	-		=	1
5.	30	-		=	12
6.	19	-		=	9
7.	26	-		=	6
8.	25	-		=	14
9.	18	-		=	9
10.	30	-		=	2

Welk getal ontbreekt t/m 30?
| ANTWOORDEN

Aftrekken

Oefening 1
1.	11	-	7	=	4
2.	30	-	15	=	15
3.	26	-	15	=	11
4.	25	-	7	=	18
5.	24	-	12	=	12
6.	29	-	22	=	7
7.	9	-	1	=	8
8.	12	-	6	=	6
9.	25	-	4	=	21
10.	27	-	13	=	14

Oefening 2
1.	23	-	18	=	5
2.	16	-	14	=	2
3.	27	-	14	=	13
4.	22	-	21	=	1
5.	8	-	7	=	1
6.	24	-	22	=	2
7.	29	-	28	=	1
8.	23	-	6	=	17
9.	23	-	1	=	22
10.	26	-	11	=	15

Oefening 3
1.	30	-	6	=	24
2.	29	-	14	=	15
3.	20	-	8	=	12
4.	30	-	26	=	4
5.	21	-	19	=	2
6.	15	-	5	=	10
7.	13	-	3	=	10
8.	20	-	11	=	9
9.	30	-	6	=	24
10.	30	-	14	=	16

Oefening 4
1.	4	-	3	=	1
2.	17	-	11	=	6
3.	15	-	13	=	2
4.	17	-	16	=	1
5.	30	-	18	=	12
6.	19	-	10	=	9
7.	26	-	20	=	6
8.	25	-	11	=	14
9.	18	-	9	=	9
10.	30	-	28	=	2