Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	538	+		=	909
2.	632	+		=	1.044
3.	548	+		=	817
4.	819	+		=	1.108
5.	603	+		=	879
6.	730	+		=	1.269
7.	856	+		=	1.244
8.	721	+		=	979
9.	533	+		=	924
10.	781	+		=	1.160

Oefening 2
1.	944	+		=	1.544
2.	446	+		=	756
3.	904	+		=	1.793
4.	762	+		=	1.098
5.	938	+		=	1.441
6.	840	+		=	1.083
7.	573	+		=	969
8.	427	+		=	725
9.	537	+		=	1.033
10.	762	+		=	1.182

Oefening 3
1.	984	+		=	1.644
2.	590	+		=	1.150
3.	737	+		=	1.208
4.	812	+		=	1.173
5.	674	+		=	984
6.	617	+		=	1.173
7.	913	+		=	1.140
8.	610	+		=	866
9.	963	+		=	1.177
10.	925	+		=	1.262

Oefening 4
1.	967	+		=	1.919
2.	992	+		=	1.778
3.	458	+		=	856
4.	728	+		=	1.265
5.	605	+		=	1.029
6.	773	+		=	1.260
7.	955	+		=	1.456
8.	421	+		=	632
9.	963	+		=	1.317
10.	528	+		=	778

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	538	+	371	=	909
2.	632	+	412	=	1.044
3.	548	+	269	=	817
4.	819	+	289	=	1.108
5.	603	+	276	=	879
6.	730	+	539	=	1.269
7.	856	+	388	=	1.244
8.	721	+	258	=	979
9.	533	+	391	=	924
10.	781	+	379	=	1.160

Oefening 2
1.	944	+	600	=	1.544
2.	446	+	310	=	756
3.	904	+	889	=	1.793
4.	762	+	336	=	1.098
5.	938	+	503	=	1.441
6.	840	+	243	=	1.083
7.	573	+	396	=	969
8.	427	+	298	=	725
9.	537	+	496	=	1.033
10.	762	+	420	=	1.182

Oefening 3
1.	984	+	660	=	1.644
2.	590	+	560	=	1.150
3.	737	+	471	=	1.208
4.	812	+	361	=	1.173
5.	674	+	310	=	984
6.	617	+	556	=	1.173
7.	913	+	227	=	1.140
8.	610	+	256	=	866
9.	963	+	214	=	1.177
10.	925	+	337	=	1.262

Oefening 4
1.	967	+	952	=	1.919
2.	992	+	786	=	1.778
3.	458	+	398	=	856
4.	728	+	537	=	1.265
5.	605	+	424	=	1.029
6.	773	+	487	=	1.260
7.	955	+	501	=	1.456
8.	421	+	211	=	632
9.	963	+	354	=	1.317
10.	528	+	250	=	778