Welk getal ontbreekt t/m 30?

Aftrekken

Oefening 1
1.	16	-		=	1
2.	22	-		=	12
3.	18	-		=	17
4.	20	-		=	16
5.	26	-		=	11
6.	28	-		=	9
7.	20	-		=	8
8.	9	-		=	3
9.	19	-		=	10
10.	25	-		=	21

Oefening 2
1.	19	-		=	1
2.	15	-		=	1
3.	24	-		=	7
4.	26	-		=	13
5.	21	-		=	18
6.	20	-		=	6
7.	23	-		=	0
8.	17	-		=	12
9.	25	-		=	22
10.	14	-		=	9

Oefening 3
1.	11	-		=	1
2.	26	-		=	22
3.	27	-		=	19
4.	14	-		=	7
5.	23	-		=	3
6.	17	-		=	13
7.	26	-		=	2
8.	15	-		=	8
9.	26	-		=	20
10.	30	-		=	6

Oefening 4
1.	24	-		=	12
2.	22	-		=	10
3.	12	-		=	2
4.	23	-		=	2
5.	9	-		=	6
6.	26	-		=	15
7.	30	-		=	25
8.	30	-		=	13
9.	15	-		=	12
10.	24	-		=	17

Welk getal ontbreekt t/m 30?
| ANTWOORDEN

Aftrekken

Oefening 1
1.	16	-	15	=	1
2.	22	-	10	=	12
3.	18	-	1	=	17
4.	20	-	4	=	16
5.	26	-	15	=	11
6.	28	-	19	=	9
7.	20	-	12	=	8
8.	9	-	6	=	3
9.	19	-	9	=	10
10.	25	-	4	=	21

Oefening 2
1.	19	-	18	=	1
2.	15	-	14	=	1
3.	24	-	17	=	7
4.	26	-	13	=	13
5.	21	-	3	=	18
6.	20	-	14	=	6
7.	23	-	23	=	0
8.	17	-	5	=	12
9.	25	-	3	=	22
10.	14	-	5	=	9

Oefening 3
1.	11	-	10	=	1
2.	26	-	4	=	22
3.	27	-	8	=	19
4.	14	-	7	=	7
5.	23	-	20	=	3
6.	17	-	4	=	13
7.	26	-	24	=	2
8.	15	-	7	=	8
9.	26	-	6	=	20
10.	30	-	24	=	6

Oefening 4
1.	24	-	12	=	12
2.	22	-	12	=	10
3.	12	-	10	=	2
4.	23	-	21	=	2
5.	9	-	3	=	6
6.	26	-	11	=	15
7.	30	-	5	=	25
8.	30	-	17	=	13
9.	15	-	3	=	12
10.	24	-	7	=	17