Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	517	+		=	931
2.	839	+		=	1.107
3.	327	+		=	568
4.	541	+		=	838
5.	421	+		=	698
6.	467	+		=	758
7.	419	+		=	624
8.	773	+		=	1.300
9.	972	+		=	1.498
10.	616	+		=	860

Oefening 2
1.	618	+		=	1.009
2.	573	+		=	1.134
3.	789	+		=	1.019
4.	669	+		=	952
5.	753	+		=	1.280
6.	413	+		=	659
7.	713	+		=	1.162
8.	507	+		=	863
9.	941	+		=	1.489
10.	310	+		=	618

Oefening 3
1.	997	+		=	1.228
2.	586	+		=	873
3.	503	+		=	775
4.	449	+		=	743
5.	804	+		=	1.362
6.	543	+		=	895
7.	857	+		=	1.403
8.	543	+		=	1.047
9.	982	+		=	1.760
10.	628	+		=	1.097

Oefening 4
1.	491	+		=	955
2.	963	+		=	1.844
3.	572	+		=	893
4.	694	+		=	1.372
5.	386	+		=	668
6.	900	+		=	1.488
7.	666	+		=	1.171
8.	875	+		=	1.230
9.	565	+		=	981
10.	607	+		=	1.030

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	517	+	414	=	931
2.	839	+	268	=	1.107
3.	327	+	241	=	568
4.	541	+	297	=	838
5.	421	+	277	=	698
6.	467	+	291	=	758
7.	419	+	205	=	624
8.	773	+	527	=	1.300
9.	972	+	526	=	1.498
10.	616	+	244	=	860

Oefening 2
1.	618	+	391	=	1.009
2.	573	+	561	=	1.134
3.	789	+	230	=	1.019
4.	669	+	283	=	952
5.	753	+	527	=	1.280
6.	413	+	246	=	659
7.	713	+	449	=	1.162
8.	507	+	356	=	863
9.	941	+	548	=	1.489
10.	310	+	308	=	618

Oefening 3
1.	997	+	231	=	1.228
2.	586	+	287	=	873
3.	503	+	272	=	775
4.	449	+	294	=	743
5.	804	+	558	=	1.362
6.	543	+	352	=	895
7.	857	+	546	=	1.403
8.	543	+	504	=	1.047
9.	982	+	778	=	1.760
10.	628	+	469	=	1.097

Oefening 4
1.	491	+	464	=	955
2.	963	+	881	=	1.844
3.	572	+	321	=	893
4.	694	+	678	=	1.372
5.	386	+	282	=	668
6.	900	+	588	=	1.488
7.	666	+	505	=	1.171
8.	875	+	355	=	1.230
9.	565	+	416	=	981
10.	607	+	423	=	1.030