Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	659	+		=	999
2.	794	+		=	1.429
3.	878	+		=	1.696
4.	849	+		=	1.096
5.	491	+		=	920
6.	727	+		=	1.179
7.	257	+		=	473
8.	853	+		=	1.437
9.	924	+		=	1.581
10.	559	+		=	1.036

Oefening 2
1.	536	+		=	985
2.	816	+		=	1.158
3.	335	+		=	604
4.	946	+		=	1.891
5.	448	+		=	742
6.	956	+		=	1.169
7.	926	+		=	1.332
8.	852	+		=	1.222
9.	743	+		=	1.300
10.	705	+		=	1.222

Oefening 3
1.	986	+		=	1.647
2.	994	+		=	1.971
3.	830	+		=	1.261
4.	491	+		=	750
5.	754	+		=	1.210
6.	700	+		=	1.382
7.	970	+		=	1.355
8.	914	+		=	1.247
9.	629	+		=	1.130
10.	939	+		=	1.875

Oefening 4
1.	847	+		=	1.381
2.	874	+		=	1.299
3.	649	+		=	1.210
4.	518	+		=	982
5.	357	+		=	684
6.	979	+		=	1.670
7.	527	+		=	949
8.	469	+		=	856
9.	940	+		=	1.634
10.	957	+		=	1.654

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	659	+	340	=	999
2.	794	+	635	=	1.429
3.	878	+	818	=	1.696
4.	849	+	247	=	1.096
5.	491	+	429	=	920
6.	727	+	452	=	1.179
7.	257	+	216	=	473
8.	853	+	584	=	1.437
9.	924	+	657	=	1.581
10.	559	+	477	=	1.036

Oefening 2
1.	536	+	449	=	985
2.	816	+	342	=	1.158
3.	335	+	269	=	604
4.	946	+	945	=	1.891
5.	448	+	294	=	742
6.	956	+	213	=	1.169
7.	926	+	406	=	1.332
8.	852	+	370	=	1.222
9.	743	+	557	=	1.300
10.	705	+	517	=	1.222

Oefening 3
1.	986	+	661	=	1.647
2.	994	+	977	=	1.971
3.	830	+	431	=	1.261
4.	491	+	259	=	750
5.	754	+	456	=	1.210
6.	700	+	682	=	1.382
7.	970	+	385	=	1.355
8.	914	+	333	=	1.247
9.	629	+	501	=	1.130
10.	939	+	936	=	1.875

Oefening 4
1.	847	+	534	=	1.381
2.	874	+	425	=	1.299
3.	649	+	561	=	1.210
4.	518	+	464	=	982
5.	357	+	327	=	684
6.	979	+	691	=	1.670
7.	527	+	422	=	949
8.	469	+	387	=	856
9.	940	+	694	=	1.634
10.	957	+	697	=	1.654