Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	985	+		=	1.358
2.	653	+		=	1.029
3.	1.000	+		=	1.270
4.	671	+		=	1.084
5.	579	+		=	998
6.	602	+		=	1.138
7.	607	+		=	1.035
8.	881	+		=	1.379
9.	677	+		=	1.271
10.	843	+		=	1.684

Oefening 2
1.	638	+		=	1.061
2.	636	+		=	1.250
3.	793	+		=	1.577
4.	306	+		=	570
5.	826	+		=	1.137
6.	474	+		=	915
7.	730	+		=	1.454
8.	818	+		=	1.345
9.	720	+		=	982
10.	438	+		=	795

Oefening 3
1.	348	+		=	617
2.	761	+		=	1.386
3.	897	+		=	1.698
4.	678	+		=	1.134
5.	441	+		=	734
6.	952	+		=	1.878
7.	846	+		=	1.341
8.	934	+		=	1.690
9.	887	+		=	1.659
10.	817	+		=	1.257

Oefening 4
1.	608	+		=	933
2.	915	+		=	1.796
3.	382	+		=	591
4.	700	+		=	1.387
5.	611	+		=	987
6.	332	+		=	566
7.	938	+		=	1.648
8.	994	+		=	1.218
9.	708	+		=	977
10.	938	+		=	1.651

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	985	+	373	=	1.358
2.	653	+	376	=	1.029
3.	1.000	+	270	=	1.270
4.	671	+	413	=	1.084
5.	579	+	419	=	998
6.	602	+	536	=	1.138
7.	607	+	428	=	1.035
8.	881	+	498	=	1.379
9.	677	+	594	=	1.271
10.	843	+	841	=	1.684

Oefening 2
1.	638	+	423	=	1.061
2.	636	+	614	=	1.250
3.	793	+	784	=	1.577
4.	306	+	264	=	570
5.	826	+	311	=	1.137
6.	474	+	441	=	915
7.	730	+	724	=	1.454
8.	818	+	527	=	1.345
9.	720	+	262	=	982
10.	438	+	357	=	795

Oefening 3
1.	348	+	269	=	617
2.	761	+	625	=	1.386
3.	897	+	801	=	1.698
4.	678	+	456	=	1.134
5.	441	+	293	=	734
6.	952	+	926	=	1.878
7.	846	+	495	=	1.341
8.	934	+	756	=	1.690
9.	887	+	772	=	1.659
10.	817	+	440	=	1.257

Oefening 4
1.	608	+	325	=	933
2.	915	+	881	=	1.796
3.	382	+	209	=	591
4.	700	+	687	=	1.387
5.	611	+	376	=	987
6.	332	+	234	=	566
7.	938	+	710	=	1.648
8.	994	+	224	=	1.218
9.	708	+	269	=	977
10.	938	+	713	=	1.651