Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	419	+		=	628
2.	883	+		=	1.464
3.	757	+		=	1.390
4.	902	+		=	1.803
5.	486	+		=	819
6.	755	+		=	1.091
7.	371	+		=	660
8.	919	+		=	1.611
9.	811	+		=	1.245
10.	808	+		=	1.454

Oefening 2
1.	946	+		=	1.791
2.	612	+		=	1.017
3.	893	+		=	1.769
4.	516	+		=	866
5.	521	+		=	945
6.	876	+		=	1.461
7.	933	+		=	1.358
8.	852	+		=	1.654
9.	687	+		=	1.084
10.	571	+		=	874

Oefening 3
1.	535	+		=	1.070
2.	397	+		=	640
3.	367	+		=	622
4.	968	+		=	1.540
5.	928	+		=	1.195
6.	708	+		=	1.303
7.	757	+		=	965
8.	625	+		=	1.187
9.	913	+		=	1.183
10.	561	+		=	978

Oefening 4
1.	483	+		=	698
2.	829	+		=	1.408
3.	893	+		=	1.374
4.	998	+		=	1.679
5.	999	+		=	1.832
6.	896	+		=	1.099
7.	325	+		=	536
8.	968	+		=	1.598
9.	573	+		=	821
10.	653	+		=	1.281

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	419	+	209	=	628
2.	883	+	581	=	1.464
3.	757	+	633	=	1.390
4.	902	+	901	=	1.803
5.	486	+	333	=	819
6.	755	+	336	=	1.091
7.	371	+	289	=	660
8.	919	+	692	=	1.611
9.	811	+	434	=	1.245
10.	808	+	646	=	1.454

Oefening 2
1.	946	+	845	=	1.791
2.	612	+	405	=	1.017
3.	893	+	876	=	1.769
4.	516	+	350	=	866
5.	521	+	424	=	945
6.	876	+	585	=	1.461
7.	933	+	425	=	1.358
8.	852	+	802	=	1.654
9.	687	+	397	=	1.084
10.	571	+	303	=	874

Oefening 3
1.	535	+	535	=	1.070
2.	397	+	243	=	640
3.	367	+	255	=	622
4.	968	+	572	=	1.540
5.	928	+	267	=	1.195
6.	708	+	595	=	1.303
7.	757	+	208	=	965
8.	625	+	562	=	1.187
9.	913	+	270	=	1.183
10.	561	+	417	=	978

Oefening 4
1.	483	+	215	=	698
2.	829	+	579	=	1.408
3.	893	+	481	=	1.374
4.	998	+	681	=	1.679
5.	999	+	833	=	1.832
6.	896	+	203	=	1.099
7.	325	+	211	=	536
8.	968	+	630	=	1.598
9.	573	+	248	=	821
10.	653	+	628	=	1.281