Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	909	+		=	1.389
2.	573	+		=	1.103
3.	557	+		=	882
4.	968	+		=	1.818
5.	979	+		=	1.918
6.	812	+		=	1.460
7.	507	+		=	887
8.	967	+		=	1.622
9.	660	+		=	1.310
10.	486	+		=	902

Oefening 2
1.	873	+		=	1.552
2.	729	+		=	1.119
3.	462	+		=	777
4.	538	+		=	845
5.	831	+		=	1.385
6.	835	+		=	1.458
7.	998	+		=	1.437
8.	970	+		=	1.844
9.	939	+		=	1.261
10.	640	+		=	986

Oefening 3
1.	835	+		=	1.516
2.	814	+		=	1.265
3.	795	+		=	1.076
4.	874	+		=	1.105
5.	978	+		=	1.351
6.	613	+		=	1.070
7.	989	+		=	1.390
8.	778	+		=	1.153
9.	442	+		=	789
10.	990	+		=	1.338

Oefening 4
1.	839	+		=	1.332
2.	708	+		=	968
3.	708	+		=	1.069
4.	707	+		=	1.327
5.	972	+		=	1.550
6.	331	+		=	647
7.	236	+		=	461
8.	923	+		=	1.640
9.	746	+		=	1.069
10.	774	+		=	1.012

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	909	+	480	=	1.389
2.	573	+	530	=	1.103
3.	557	+	325	=	882
4.	968	+	850	=	1.818
5.	979	+	939	=	1.918
6.	812	+	648	=	1.460
7.	507	+	380	=	887
8.	967	+	655	=	1.622
9.	660	+	650	=	1.310
10.	486	+	416	=	902

Oefening 2
1.	873	+	679	=	1.552
2.	729	+	390	=	1.119
3.	462	+	315	=	777
4.	538	+	307	=	845
5.	831	+	554	=	1.385
6.	835	+	623	=	1.458
7.	998	+	439	=	1.437
8.	970	+	874	=	1.844
9.	939	+	322	=	1.261
10.	640	+	346	=	986

Oefening 3
1.	835	+	681	=	1.516
2.	814	+	451	=	1.265
3.	795	+	281	=	1.076
4.	874	+	231	=	1.105
5.	978	+	373	=	1.351
6.	613	+	457	=	1.070
7.	989	+	401	=	1.390
8.	778	+	375	=	1.153
9.	442	+	347	=	789
10.	990	+	348	=	1.338

Oefening 4
1.	839	+	493	=	1.332
2.	708	+	260	=	968
3.	708	+	361	=	1.069
4.	707	+	620	=	1.327
5.	972	+	578	=	1.550
6.	331	+	316	=	647
7.	236	+	225	=	461
8.	923	+	717	=	1.640
9.	746	+	323	=	1.069
10.	774	+	238	=	1.012