Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	633	+		=	861
2.	987	+		=	1.535
3.	914	+		=	1.196
4.	949	+		=	1.798
5.	673	+		=	1.123
6.	521	+		=	852
7.	914	+		=	1.357
8.	632	+		=	1.028
9.	386	+		=	681
10.	642	+		=	862

Oefening 2
1.	888	+		=	1.559
2.	756	+		=	1.430
3.	661	+		=	1.001
4.	557	+		=	896
5.	483	+		=	809
6.	727	+		=	1.256
7.	439	+		=	803
8.	961	+		=	1.604
9.	609	+		=	836
10.	718	+		=	1.233

Oefening 3
1.	316	+		=	583
2.	968	+		=	1.385
3.	298	+		=	550
4.	719	+		=	1.251
5.	511	+		=	717
6.	810	+		=	1.429
7.	899	+		=	1.172
8.	704	+		=	1.269
9.	802	+		=	1.226
10.	526	+		=	1.014

Oefening 4
1.	519	+		=	833
2.	770	+		=	1.085
3.	936	+		=	1.579
4.	607	+		=	1.206
5.	965	+		=	1.331
6.	542	+		=	1.032
7.	505	+		=	763
8.	649	+		=	1.195
9.	411	+		=	705
10.	972	+		=	1.461

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	633	+	228	=	861
2.	987	+	548	=	1.535
3.	914	+	282	=	1.196
4.	949	+	849	=	1.798
5.	673	+	450	=	1.123
6.	521	+	331	=	852
7.	914	+	443	=	1.357
8.	632	+	396	=	1.028
9.	386	+	295	=	681
10.	642	+	220	=	862

Oefening 2
1.	888	+	671	=	1.559
2.	756	+	674	=	1.430
3.	661	+	340	=	1.001
4.	557	+	339	=	896
5.	483	+	326	=	809
6.	727	+	529	=	1.256
7.	439	+	364	=	803
8.	961	+	643	=	1.604
9.	609	+	227	=	836
10.	718	+	515	=	1.233

Oefening 3
1.	316	+	267	=	583
2.	968	+	417	=	1.385
3.	298	+	252	=	550
4.	719	+	532	=	1.251
5.	511	+	206	=	717
6.	810	+	619	=	1.429
7.	899	+	273	=	1.172
8.	704	+	565	=	1.269
9.	802	+	424	=	1.226
10.	526	+	488	=	1.014

Oefening 4
1.	519	+	314	=	833
2.	770	+	315	=	1.085
3.	936	+	643	=	1.579
4.	607	+	599	=	1.206
5.	965	+	366	=	1.331
6.	542	+	490	=	1.032
7.	505	+	258	=	763
8.	649	+	546	=	1.195
9.	411	+	294	=	705
10.	972	+	489	=	1.461