Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	340	+		=	603
2.	678	+		=	939
3.	901	+		=	1.511
4.	843	+		=	1.341
5.	564	+		=	819
6.	960	+		=	1.398
7.	673	+		=	1.111
8.	558	+		=	1.077
9.	596	+		=	1.189
10.	974	+		=	1.784

Oefening 2
1.	805	+		=	1.518
2.	482	+		=	897
3.	787	+		=	1.550
4.	989	+		=	1.821
5.	852	+		=	1.170
6.	975	+		=	1.897
7.	876	+		=	1.405
8.	493	+		=	915
9.	943	+		=	1.652
10.	777	+		=	1.242

Oefening 3
1.	731	+		=	1.139
2.	540	+		=	903
3.	823	+		=	1.533
4.	986	+		=	1.424
5.	872	+		=	1.443
6.	577	+		=	1.034
7.	530	+		=	759
8.	387	+		=	724
9.	640	+		=	894
10.	772	+		=	1.460

Oefening 4
1.	878	+		=	1.713
2.	980	+		=	1.385
3.	804	+		=	1.213
4.	767	+		=	1.103
5.	684	+		=	1.145
6.	304	+		=	506
7.	887	+		=	1.608
8.	756	+		=	1.307
9.	964	+		=	1.874
10.	792	+		=	1.198

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	340	+	263	=	603
2.	678	+	261	=	939
3.	901	+	610	=	1.511
4.	843	+	498	=	1.341
5.	564	+	255	=	819
6.	960	+	438	=	1.398
7.	673	+	438	=	1.111
8.	558	+	519	=	1.077
9.	596	+	593	=	1.189
10.	974	+	810	=	1.784

Oefening 2
1.	805	+	713	=	1.518
2.	482	+	415	=	897
3.	787	+	763	=	1.550
4.	989	+	832	=	1.821
5.	852	+	318	=	1.170
6.	975	+	922	=	1.897
7.	876	+	529	=	1.405
8.	493	+	422	=	915
9.	943	+	709	=	1.652
10.	777	+	465	=	1.242

Oefening 3
1.	731	+	408	=	1.139
2.	540	+	363	=	903
3.	823	+	710	=	1.533
4.	986	+	438	=	1.424
5.	872	+	571	=	1.443
6.	577	+	457	=	1.034
7.	530	+	229	=	759
8.	387	+	337	=	724
9.	640	+	254	=	894
10.	772	+	688	=	1.460

Oefening 4
1.	878	+	835	=	1.713
2.	980	+	405	=	1.385
3.	804	+	409	=	1.213
4.	767	+	336	=	1.103
5.	684	+	461	=	1.145
6.	304	+	202	=	506
7.	887	+	721	=	1.608
8.	756	+	551	=	1.307
9.	964	+	910	=	1.874
10.	792	+	406	=	1.198