Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	457	+		=	794
2.	933	+		=	1.668
3.	965	+		=	1.211
4.	800	+		=	1.180
5.	603	+		=	965
6.	430	+		=	830
7.	646	+		=	1.043
8.	963	+		=	1.807
9.	438	+		=	661
10.	766	+		=	1.394

Oefening 2
1.	316	+		=	608
2.	781	+		=	1.547
3.	921	+		=	1.480
4.	731	+		=	1.261
5.	575	+		=	1.045
6.	698	+		=	1.075
7.	862	+		=	1.111
8.	964	+		=	1.828
9.	718	+		=	1.357
10.	929	+		=	1.443

Oefening 3
1.	589	+		=	973
2.	834	+		=	1.587
3.	729	+		=	1.181
4.	946	+		=	1.705
5.	428	+		=	747
6.	907	+		=	1.563
7.	937	+		=	1.749
8.	336	+		=	540
9.	880	+		=	1.595
10.	632	+		=	1.036

Oefening 4
1.	522	+		=	786
2.	960	+		=	1.671
3.	530	+		=	835
4.	628	+		=	1.120
5.	898	+		=	1.444
6.	983	+		=	1.707
7.	818	+		=	1.514
8.	941	+		=	1.280
9.	715	+		=	1.306
10.	553	+		=	1.095

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	457	+	337	=	794
2.	933	+	735	=	1.668
3.	965	+	246	=	1.211
4.	800	+	380	=	1.180
5.	603	+	362	=	965
6.	430	+	400	=	830
7.	646	+	397	=	1.043
8.	963	+	844	=	1.807
9.	438	+	223	=	661
10.	766	+	628	=	1.394

Oefening 2
1.	316	+	292	=	608
2.	781	+	766	=	1.547
3.	921	+	559	=	1.480
4.	731	+	530	=	1.261
5.	575	+	470	=	1.045
6.	698	+	377	=	1.075
7.	862	+	249	=	1.111
8.	964	+	864	=	1.828
9.	718	+	639	=	1.357
10.	929	+	514	=	1.443

Oefening 3
1.	589	+	384	=	973
2.	834	+	753	=	1.587
3.	729	+	452	=	1.181
4.	946	+	759	=	1.705
5.	428	+	319	=	747
6.	907	+	656	=	1.563
7.	937	+	812	=	1.749
8.	336	+	204	=	540
9.	880	+	715	=	1.595
10.	632	+	404	=	1.036

Oefening 4
1.	522	+	264	=	786
2.	960	+	711	=	1.671
3.	530	+	305	=	835
4.	628	+	492	=	1.120
5.	898	+	546	=	1.444
6.	983	+	724	=	1.707
7.	818	+	696	=	1.514
8.	941	+	339	=	1.280
9.	715	+	591	=	1.306
10.	553	+	542	=	1.095