Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	807	+		=	1.577
2.	410	+		=	736
3.	511	+		=	835
4.	557	+		=	1.080
5.	745	+		=	1.103
6.	755	+		=	1.269
7.	531	+		=	760
8.	460	+		=	856
9.	843	+		=	1.685
10.	944	+		=	1.217

Oefening 2
1.	381	+		=	750
2.	903	+		=	1.779
3.	846	+		=	1.343
4.	820	+		=	1.319
5.	504	+		=	841
6.	423	+		=	726
7.	713	+		=	1.342
8.	641	+		=	1.249
9.	949	+		=	1.498
10.	905	+		=	1.118

Oefening 3
1.	529	+		=	1.014
2.	464	+		=	719
3.	826	+		=	1.319
4.	858	+		=	1.229
5.	823	+		=	1.204
6.	579	+		=	868
7.	766	+		=	1.479
8.	832	+		=	1.554
9.	477	+		=	914
10.	516	+		=	971

Oefening 4
1.	762	+		=	1.074
2.	417	+		=	726
3.	809	+		=	1.262
4.	956	+		=	1.439
5.	763	+		=	1.353
6.	619	+		=	1.129
7.	980	+		=	1.417
8.	862	+		=	1.451
9.	668	+		=	1.275
10.	441	+		=	876

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	807	+	770	=	1.577
2.	410	+	326	=	736
3.	511	+	324	=	835
4.	557	+	523	=	1.080
5.	745	+	358	=	1.103
6.	755	+	514	=	1.269
7.	531	+	229	=	760
8.	460	+	396	=	856
9.	843	+	842	=	1.685
10.	944	+	273	=	1.217

Oefening 2
1.	381	+	369	=	750
2.	903	+	876	=	1.779
3.	846	+	497	=	1.343
4.	820	+	499	=	1.319
5.	504	+	337	=	841
6.	423	+	303	=	726
7.	713	+	629	=	1.342
8.	641	+	608	=	1.249
9.	949	+	549	=	1.498
10.	905	+	213	=	1.118

Oefening 3
1.	529	+	485	=	1.014
2.	464	+	255	=	719
3.	826	+	493	=	1.319
4.	858	+	371	=	1.229
5.	823	+	381	=	1.204
6.	579	+	289	=	868
7.	766	+	713	=	1.479
8.	832	+	722	=	1.554
9.	477	+	437	=	914
10.	516	+	455	=	971

Oefening 4
1.	762	+	312	=	1.074
2.	417	+	309	=	726
3.	809	+	453	=	1.262
4.	956	+	483	=	1.439
5.	763	+	590	=	1.353
6.	619	+	510	=	1.129
7.	980	+	437	=	1.417
8.	862	+	589	=	1.451
9.	668	+	607	=	1.275
10.	441	+	435	=	876