Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	991	+		=	1.795
2.	567	+		=	994
3.	887	+		=	1.161
4.	809	+		=	1.314
5.	953	+		=	1.429
6.	698	+		=	929
7.	617	+		=	1.004
8.	979	+		=	1.406
9.	695	+		=	1.311
10.	792	+		=	1.526

Oefening 2
1.	685	+		=	1.052
2.	908	+		=	1.741
3.	977	+		=	1.304
4.	642	+		=	881
5.	505	+		=	902
6.	880	+		=	1.517
7.	841	+		=	1.567
8.	968	+		=	1.801
9.	742	+		=	1.354
10.	609	+		=	905

Oefening 3
1.	991	+		=	1.573
2.	818	+		=	1.578
3.	623	+		=	1.017
4.	516	+		=	878
5.	703	+		=	1.093
6.	970	+		=	1.731
7.	885	+		=	1.770
8.	775	+		=	1.370
9.	977	+		=	1.453
10.	753	+		=	1.381

Oefening 4
1.	713	+		=	947
2.	795	+		=	1.276
3.	914	+		=	1.645
4.	335	+		=	626
5.	373	+		=	686
6.	437	+		=	704
7.	657	+		=	1.246
8.	488	+		=	969
9.	914	+		=	1.507
10.	871	+		=	1.532

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	991	+	804	=	1.795
2.	567	+	427	=	994
3.	887	+	274	=	1.161
4.	809	+	505	=	1.314
5.	953	+	476	=	1.429
6.	698	+	231	=	929
7.	617	+	387	=	1.004
8.	979	+	427	=	1.406
9.	695	+	616	=	1.311
10.	792	+	734	=	1.526

Oefening 2
1.	685	+	367	=	1.052
2.	908	+	833	=	1.741
3.	977	+	327	=	1.304
4.	642	+	239	=	881
5.	505	+	397	=	902
6.	880	+	637	=	1.517
7.	841	+	726	=	1.567
8.	968	+	833	=	1.801
9.	742	+	612	=	1.354
10.	609	+	296	=	905

Oefening 3
1.	991	+	582	=	1.573
2.	818	+	760	=	1.578
3.	623	+	394	=	1.017
4.	516	+	362	=	878
5.	703	+	390	=	1.093
6.	970	+	761	=	1.731
7.	885	+	885	=	1.770
8.	775	+	595	=	1.370
9.	977	+	476	=	1.453
10.	753	+	628	=	1.381

Oefening 4
1.	713	+	234	=	947
2.	795	+	481	=	1.276
3.	914	+	731	=	1.645
4.	335	+	291	=	626
5.	373	+	313	=	686
6.	437	+	267	=	704
7.	657	+	589	=	1.246
8.	488	+	481	=	969
9.	914	+	593	=	1.507
10.	871	+	661	=	1.532