Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	571	+		=	1.013
2.	770	+		=	1.191
3.	948	+		=	1.807
4.	982	+		=	1.819
5.	748	+		=	1.495
6.	602	+		=	845
7.	843	+		=	1.235
8.	576	+		=	1.023
9.	991	+		=	1.828
10.	800	+		=	1.575

Oefening 2
1.	504	+		=	864
2.	559	+		=	1.115
3.	775	+		=	1.170
4.	496	+		=	798
5.	527	+		=	992
6.	519	+		=	870
7.	644	+		=	892
8.	734	+		=	1.328
9.	966	+		=	1.503
10.	862	+		=	1.217

Oefening 3
1.	910	+		=	1.514
2.	547	+		=	836
3.	966	+		=	1.807
4.	550	+		=	962
5.	730	+		=	1.460
6.	892	+		=	1.184
7.	944	+		=	1.550
8.	967	+		=	1.245
9.	845	+		=	1.459
10.	920	+		=	1.235

Oefening 4
1.	572	+		=	1.047
2.	729	+		=	1.177
3.	703	+		=	1.154
4.	864	+		=	1.468
5.	892	+		=	1.729
6.	876	+		=	1.506
7.	855	+		=	1.699
8.	934	+		=	1.428
9.	976	+		=	1.214
10.	821	+		=	1.361

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	571	+	442	=	1.013
2.	770	+	421	=	1.191
3.	948	+	859	=	1.807
4.	982	+	837	=	1.819
5.	748	+	747	=	1.495
6.	602	+	243	=	845
7.	843	+	392	=	1.235
8.	576	+	447	=	1.023
9.	991	+	837	=	1.828
10.	800	+	775	=	1.575

Oefening 2
1.	504	+	360	=	864
2.	559	+	556	=	1.115
3.	775	+	395	=	1.170
4.	496	+	302	=	798
5.	527	+	465	=	992
6.	519	+	351	=	870
7.	644	+	248	=	892
8.	734	+	594	=	1.328
9.	966	+	537	=	1.503
10.	862	+	355	=	1.217

Oefening 3
1.	910	+	604	=	1.514
2.	547	+	289	=	836
3.	966	+	841	=	1.807
4.	550	+	412	=	962
5.	730	+	730	=	1.460
6.	892	+	292	=	1.184
7.	944	+	606	=	1.550
8.	967	+	278	=	1.245
9.	845	+	614	=	1.459
10.	920	+	315	=	1.235

Oefening 4
1.	572	+	475	=	1.047
2.	729	+	448	=	1.177
3.	703	+	451	=	1.154
4.	864	+	604	=	1.468
5.	892	+	837	=	1.729
6.	876	+	630	=	1.506
7.	855	+	844	=	1.699
8.	934	+	494	=	1.428
9.	976	+	238	=	1.214
10.	821	+	540	=	1.361