Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	315	+		=	578
2.	445	+		=	802
3.	279	+		=	548
4.	498	+		=	995
5.	272	+		=	509
6.	396	+		=	779
7.	467	+		=	682
8.	277	+		=	543
9.	134	+		=	234
10.	251	+		=	362

Oefening 2
1.	420	+		=	592
2.	374	+		=	478
3.	467	+		=	886
4.	447	+		=	864
5.	388	+		=	570
6.	331	+		=	518
7.	476	+		=	600
8.	465	+		=	930
9.	292	+		=	517
10.	268	+		=	406

Oefening 3
1.	236	+		=	341
2.	147	+		=	258
3.	378	+		=	570
4.	478	+		=	863
5.	479	+		=	631
6.	461	+		=	686
7.	493	+		=	652
8.	200	+		=	337
9.	433	+		=	614
10.	312	+		=	621

Oefening 4
1.	442	+		=	583
2.	345	+		=	680
3.	491	+		=	872
4.	338	+		=	638
5.	140	+		=	272
6.	458	+		=	878
7.	316	+		=	452
8.	253	+		=	450
9.	473	+		=	816
10.	296	+		=	518

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	315	+	263	=	578
2.	445	+	357	=	802
3.	279	+	269	=	548
4.	498	+	497	=	995
5.	272	+	237	=	509
6.	396	+	383	=	779
7.	467	+	215	=	682
8.	277	+	266	=	543
9.	134	+	100	=	234
10.	251	+	111	=	362

Oefening 2
1.	420	+	172	=	592
2.	374	+	104	=	478
3.	467	+	419	=	886
4.	447	+	417	=	864
5.	388	+	182	=	570
6.	331	+	187	=	518
7.	476	+	124	=	600
8.	465	+	465	=	930
9.	292	+	225	=	517
10.	268	+	138	=	406

Oefening 3
1.	236	+	105	=	341
2.	147	+	111	=	258
3.	378	+	192	=	570
4.	478	+	385	=	863
5.	479	+	152	=	631
6.	461	+	225	=	686
7.	493	+	159	=	652
8.	200	+	137	=	337
9.	433	+	181	=	614
10.	312	+	309	=	621

Oefening 4
1.	442	+	141	=	583
2.	345	+	335	=	680
3.	491	+	381	=	872
4.	338	+	300	=	638
5.	140	+	132	=	272
6.	458	+	420	=	878
7.	316	+	136	=	452
8.	253	+	197	=	450
9.	473	+	343	=	816
10.	296	+	222	=	518