Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	700	+		=	1.385
2.	353	+		=	642
3.	852	+		=	1.677
4.	511	+		=	1.020
5.	716	+		=	1.376
6.	985	+		=	1.373
7.	822	+		=	1.599
8.	577	+		=	794
9.	710	+		=	1.352
10.	954	+		=	1.801

Oefening 2
1.	688	+		=	1.094
2.	691	+		=	1.287
3.	682	+		=	1.129
4.	602	+		=	1.045
5.	977	+		=	1.617
6.	713	+		=	927
7.	898	+		=	1.127
8.	883	+		=	1.487
9.	980	+		=	1.658
10.	757	+		=	1.500

Oefening 3
1.	610	+		=	959
2.	694	+		=	1.340
3.	660	+		=	1.128
4.	892	+		=	1.504
5.	773	+		=	1.003
6.	631	+		=	1.189
7.	808	+		=	1.564
8.	824	+		=	1.258
9.	886	+		=	1.744
10.	967	+		=	1.174

Oefening 4
1.	668	+		=	926
2.	669	+		=	1.035
3.	905	+		=	1.406
4.	600	+		=	987
5.	991	+		=	1.261
6.	638	+		=	858
7.	705	+		=	1.250
8.	939	+		=	1.377
9.	806	+		=	1.297
10.	782	+		=	1.078

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	700	+	685	=	1.385
2.	353	+	289	=	642
3.	852	+	825	=	1.677
4.	511	+	509	=	1.020
5.	716	+	660	=	1.376
6.	985	+	388	=	1.373
7.	822	+	777	=	1.599
8.	577	+	217	=	794
9.	710	+	642	=	1.352
10.	954	+	847	=	1.801

Oefening 2
1.	688	+	406	=	1.094
2.	691	+	596	=	1.287
3.	682	+	447	=	1.129
4.	602	+	443	=	1.045
5.	977	+	640	=	1.617
6.	713	+	214	=	927
7.	898	+	229	=	1.127
8.	883	+	604	=	1.487
9.	980	+	678	=	1.658
10.	757	+	743	=	1.500

Oefening 3
1.	610	+	349	=	959
2.	694	+	646	=	1.340
3.	660	+	468	=	1.128
4.	892	+	612	=	1.504
5.	773	+	230	=	1.003
6.	631	+	558	=	1.189
7.	808	+	756	=	1.564
8.	824	+	434	=	1.258
9.	886	+	858	=	1.744
10.	967	+	207	=	1.174

Oefening 4
1.	668	+	258	=	926
2.	669	+	366	=	1.035
3.	905	+	501	=	1.406
4.	600	+	387	=	987
5.	991	+	270	=	1.261
6.	638	+	220	=	858
7.	705	+	545	=	1.250
8.	939	+	438	=	1.377
9.	806	+	491	=	1.297
10.	782	+	296	=	1.078