Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	872	+		=	1.336
2.	989	+		=	1.723
3.	976	+		=	1.814
4.	609	+		=	811
5.	762	+		=	1.059
6.	735	+		=	1.362
7.	737	+		=	1.301
8.	523	+		=	889
9.	667	+		=	1.253
10.	998	+		=	1.205

Oefening 2
1.	814	+		=	1.581
2.	763	+		=	1.385
3.	699	+		=	1.251
4.	919	+		=	1.741
5.	822	+		=	1.168
6.	501	+		=	757
7.	987	+		=	1.609
8.	966	+		=	1.435
9.	807	+		=	1.154
10.	994	+		=	1.244

Oefening 3
1.	397	+		=	709
2.	830	+		=	1.561
3.	864	+		=	1.360
4.	766	+		=	1.075
5.	382	+		=	591
6.	469	+		=	920
7.	750	+		=	1.432
8.	998	+		=	1.207
9.	832	+		=	1.074
10.	843	+		=	1.163

Oefening 4
1.	573	+		=	1.137
2.	252	+		=	472
3.	934	+		=	1.755
4.	707	+		=	1.339
5.	764	+		=	1.199
6.	858	+		=	1.619
7.	521	+		=	953
8.	552	+		=	1.077
9.	742	+		=	1.157
10.	977	+		=	1.545

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	872	+	464	=	1.336
2.	989	+	734	=	1.723
3.	976	+	838	=	1.814
4.	609	+	202	=	811
5.	762	+	297	=	1.059
6.	735	+	627	=	1.362
7.	737	+	564	=	1.301
8.	523	+	366	=	889
9.	667	+	586	=	1.253
10.	998	+	207	=	1.205

Oefening 2
1.	814	+	767	=	1.581
2.	763	+	622	=	1.385
3.	699	+	552	=	1.251
4.	919	+	822	=	1.741
5.	822	+	346	=	1.168
6.	501	+	256	=	757
7.	987	+	622	=	1.609
8.	966	+	469	=	1.435
9.	807	+	347	=	1.154
10.	994	+	250	=	1.244

Oefening 3
1.	397	+	312	=	709
2.	830	+	731	=	1.561
3.	864	+	496	=	1.360
4.	766	+	309	=	1.075
5.	382	+	209	=	591
6.	469	+	451	=	920
7.	750	+	682	=	1.432
8.	998	+	209	=	1.207
9.	832	+	242	=	1.074
10.	843	+	320	=	1.163

Oefening 4
1.	573	+	564	=	1.137
2.	252	+	220	=	472
3.	934	+	821	=	1.755
4.	707	+	632	=	1.339
5.	764	+	435	=	1.199
6.	858	+	761	=	1.619
7.	521	+	432	=	953
8.	552	+	525	=	1.077
9.	742	+	415	=	1.157
10.	977	+	568	=	1.545