Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	631	+		=	1.187
2.	754	+		=	1.233
3.	621	+		=	970
4.	669	+		=	1.211
5.	709	+		=	1.182
6.	448	+		=	701
7.	512	+		=	829
8.	945	+		=	1.531
9.	703	+		=	922
10.	652	+		=	998

Oefening 2
1.	970	+		=	1.680
2.	768	+		=	1.532
3.	993	+		=	1.416
4.	748	+		=	1.123
5.	682	+		=	1.330
6.	446	+		=	794
7.	960	+		=	1.501
8.	961	+		=	1.684
9.	608	+		=	839
10.	830	+		=	1.244

Oefening 3
1.	861	+		=	1.502
2.	998	+		=	1.975
3.	907	+		=	1.592
4.	735	+		=	1.437
5.	903	+		=	1.525
6.	547	+		=	893
7.	731	+		=	1.132
8.	869	+		=	1.372
9.	881	+		=	1.419
10.	799	+		=	1.557

Oefening 4
1.	818	+		=	1.567
2.	721	+		=	1.006
3.	825	+		=	1.503
4.	436	+		=	843
5.	641	+		=	1.211
6.	975	+		=	1.491
7.	840	+		=	1.159
8.	610	+		=	830
9.	688	+		=	1.346
10.	725	+		=	1.015

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	631	+	556	=	1.187
2.	754	+	479	=	1.233
3.	621	+	349	=	970
4.	669	+	542	=	1.211
5.	709	+	473	=	1.182
6.	448	+	253	=	701
7.	512	+	317	=	829
8.	945	+	586	=	1.531
9.	703	+	219	=	922
10.	652	+	346	=	998

Oefening 2
1.	970	+	710	=	1.680
2.	768	+	764	=	1.532
3.	993	+	423	=	1.416
4.	748	+	375	=	1.123
5.	682	+	648	=	1.330
6.	446	+	348	=	794
7.	960	+	541	=	1.501
8.	961	+	723	=	1.684
9.	608	+	231	=	839
10.	830	+	414	=	1.244

Oefening 3
1.	861	+	641	=	1.502
2.	998	+	977	=	1.975
3.	907	+	685	=	1.592
4.	735	+	702	=	1.437
5.	903	+	622	=	1.525
6.	547	+	346	=	893
7.	731	+	401	=	1.132
8.	869	+	503	=	1.372
9.	881	+	538	=	1.419
10.	799	+	758	=	1.557

Oefening 4
1.	818	+	749	=	1.567
2.	721	+	285	=	1.006
3.	825	+	678	=	1.503
4.	436	+	407	=	843
5.	641	+	570	=	1.211
6.	975	+	516	=	1.491
7.	840	+	319	=	1.159
8.	610	+	220	=	830
9.	688	+	658	=	1.346
10.	725	+	290	=	1.015