Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	848	+		=	1.146
2.	890	+		=	1.316
3.	957	+		=	1.608
4.	599	+		=	810
5.	525	+		=	949
6.	692	+		=	996
7.	975	+		=	1.272
8.	781	+		=	1.437
9.	726	+		=	1.429
10.	592	+		=	877

Oefening 2
1.	898	+		=	1.399
2.	584	+		=	1.036
3.	656	+		=	1.127
4.	671	+		=	887
5.	450	+		=	728
6.	703	+		=	964
7.	887	+		=	1.434
8.	968	+		=	1.678
9.	771	+		=	1.286
10.	685	+		=	1.021

Oefening 3
1.	455	+		=	883
2.	917	+		=	1.426
3.	457	+		=	726
4.	686	+		=	1.142
5.	757	+		=	1.392
6.	833	+		=	1.222
7.	947	+		=	1.659
8.	620	+		=	1.038
9.	764	+		=	1.358
10.	889	+		=	1.324

Oefening 4
1.	774	+		=	1.143
2.	490	+		=	798
3.	400	+		=	726
4.	333	+		=	568
5.	996	+		=	1.643
6.	957	+		=	1.882
7.	780	+		=	1.146
8.	741	+		=	1.112
9.	480	+		=	797
10.	707	+		=	1.321

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	848	+	298	=	1.146
2.	890	+	426	=	1.316
3.	957	+	651	=	1.608
4.	599	+	211	=	810
5.	525	+	424	=	949
6.	692	+	304	=	996
7.	975	+	297	=	1.272
8.	781	+	656	=	1.437
9.	726	+	703	=	1.429
10.	592	+	285	=	877

Oefening 2
1.	898	+	501	=	1.399
2.	584	+	452	=	1.036
3.	656	+	471	=	1.127
4.	671	+	216	=	887
5.	450	+	278	=	728
6.	703	+	261	=	964
7.	887	+	547	=	1.434
8.	968	+	710	=	1.678
9.	771	+	515	=	1.286
10.	685	+	336	=	1.021

Oefening 3
1.	455	+	428	=	883
2.	917	+	509	=	1.426
3.	457	+	269	=	726
4.	686	+	456	=	1.142
5.	757	+	635	=	1.392
6.	833	+	389	=	1.222
7.	947	+	712	=	1.659
8.	620	+	418	=	1.038
9.	764	+	594	=	1.358
10.	889	+	435	=	1.324

Oefening 4
1.	774	+	369	=	1.143
2.	490	+	308	=	798
3.	400	+	326	=	726
4.	333	+	235	=	568
5.	996	+	647	=	1.643
6.	957	+	925	=	1.882
7.	780	+	366	=	1.146
8.	741	+	371	=	1.112
9.	480	+	317	=	797
10.	707	+	614	=	1.321