Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	843	+		=	1.187
2.	704	+		=	1.180
3.	859	+		=	1.117
4.	398	+		=	609
5.	386	+		=	593
6.	641	+		=	1.262
7.	938	+		=	1.271
8.	961	+		=	1.310
9.	639	+		=	886
10.	840	+		=	1.069

Oefening 2
1.	386	+		=	739
2.	940	+		=	1.417
3.	713	+		=	1.173
4.	839	+		=	1.677
5.	621	+		=	1.003
6.	398	+		=	675
7.	505	+		=	961
8.	645	+		=	1.155
9.	491	+		=	722
10.	647	+		=	1.288

Oefening 3
1.	866	+		=	1.527
2.	867	+		=	1.380
3.	594	+		=	870
4.	601	+		=	863
5.	774	+		=	1.201
6.	871	+		=	1.157
7.	1.000	+		=	1.429
8.	685	+		=	1.117
9.	998	+		=	1.841
10.	857	+		=	1.276

Oefening 4
1.	868	+		=	1.685
2.	528	+		=	996
3.	891	+		=	1.434
4.	895	+		=	1.395
5.	613	+		=	838
6.	982	+		=	1.709
7.	451	+		=	761
8.	634	+		=	1.107
9.	982	+		=	1.584
10.	682	+		=	1.147

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	843	+	344	=	1.187
2.	704	+	476	=	1.180
3.	859	+	258	=	1.117
4.	398	+	211	=	609
5.	386	+	207	=	593
6.	641	+	621	=	1.262
7.	938	+	333	=	1.271
8.	961	+	349	=	1.310
9.	639	+	247	=	886
10.	840	+	229	=	1.069

Oefening 2
1.	386	+	353	=	739
2.	940	+	477	=	1.417
3.	713	+	460	=	1.173
4.	839	+	838	=	1.677
5.	621	+	382	=	1.003
6.	398	+	277	=	675
7.	505	+	456	=	961
8.	645	+	510	=	1.155
9.	491	+	231	=	722
10.	647	+	641	=	1.288

Oefening 3
1.	866	+	661	=	1.527
2.	867	+	513	=	1.380
3.	594	+	276	=	870
4.	601	+	262	=	863
5.	774	+	427	=	1.201
6.	871	+	286	=	1.157
7.	1.000	+	429	=	1.429
8.	685	+	432	=	1.117
9.	998	+	843	=	1.841
10.	857	+	419	=	1.276

Oefening 4
1.	868	+	817	=	1.685
2.	528	+	468	=	996
3.	891	+	543	=	1.434
4.	895	+	500	=	1.395
5.	613	+	225	=	838
6.	982	+	727	=	1.709
7.	451	+	310	=	761
8.	634	+	473	=	1.107
9.	982	+	602	=	1.584
10.	682	+	465	=	1.147