Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	625	+		=	1.202
2.	791	+		=	1.094
3.	627	+		=	1.161
4.	904	+		=	1.242
5.	260	+		=	495
6.	916	+		=	1.523
7.	692	+		=	1.353
8.	944	+		=	1.683
9.	756	+		=	1.406
10.	857	+		=	1.136

Oefening 2
1.	654	+		=	885
2.	532	+		=	1.005
3.	970	+		=	1.383
4.	816	+		=	1.355
5.	476	+		=	806
6.	829	+		=	1.569
7.	656	+		=	1.080
8.	836	+		=	1.059
9.	669	+		=	1.016
10.	385	+		=	607

Oefening 3
1.	876	+		=	1.254
2.	581	+		=	997
3.	877	+		=	1.538
4.	762	+		=	1.510
5.	509	+		=	877
6.	438	+		=	731
7.	356	+		=	605
8.	635	+		=	1.046
9.	612	+		=	932
10.	955	+		=	1.346

Oefening 4
1.	670	+		=	911
2.	663	+		=	1.018
3.	636	+		=	1.236
4.	860	+		=	1.323
5.	695	+		=	1.288
6.	356	+		=	571
7.	817	+		=	1.525
8.	963	+		=	1.641
9.	601	+		=	873
10.	761	+		=	1.232

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	625	+	577	=	1.202
2.	791	+	303	=	1.094
3.	627	+	534	=	1.161
4.	904	+	338	=	1.242
5.	260	+	235	=	495
6.	916	+	607	=	1.523
7.	692	+	661	=	1.353
8.	944	+	739	=	1.683
9.	756	+	650	=	1.406
10.	857	+	279	=	1.136

Oefening 2
1.	654	+	231	=	885
2.	532	+	473	=	1.005
3.	970	+	413	=	1.383
4.	816	+	539	=	1.355
5.	476	+	330	=	806
6.	829	+	740	=	1.569
7.	656	+	424	=	1.080
8.	836	+	223	=	1.059
9.	669	+	347	=	1.016
10.	385	+	222	=	607

Oefening 3
1.	876	+	378	=	1.254
2.	581	+	416	=	997
3.	877	+	661	=	1.538
4.	762	+	748	=	1.510
5.	509	+	368	=	877
6.	438	+	293	=	731
7.	356	+	249	=	605
8.	635	+	411	=	1.046
9.	612	+	320	=	932
10.	955	+	391	=	1.346

Oefening 4
1.	670	+	241	=	911
2.	663	+	355	=	1.018
3.	636	+	600	=	1.236
4.	860	+	463	=	1.323
5.	695	+	593	=	1.288
6.	356	+	215	=	571
7.	817	+	708	=	1.525
8.	963	+	678	=	1.641
9.	601	+	272	=	873
10.	761	+	471	=	1.232