Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	871	+		=	1.519
2.	394	+		=	779
3.	449	+		=	771
4.	929	+		=	1.614
5.	652	+		=	1.067
6.	689	+		=	944
7.	983	+		=	1.710
8.	974	+		=	1.232
9.	988	+		=	1.732
10.	583	+		=	939

Oefening 2
1.	329	+		=	546
2.	825	+		=	1.199
3.	725	+		=	1.338
4.	716	+		=	1.095
5.	789	+		=	1.443
6.	700	+		=	1.097
7.	409	+		=	654
8.	832	+		=	1.079
9.	936	+		=	1.397
10.	927	+		=	1.133

Oefening 3
1.	665	+		=	967
2.	632	+		=	1.121
3.	659	+		=	881
4.	290	+		=	549
5.	767	+		=	1.027
6.	587	+		=	871
7.	907	+		=	1.253
8.	429	+		=	700
9.	987	+		=	1.723
10.	899	+		=	1.304

Oefening 4
1.	811	+		=	1.210
2.	911	+		=	1.327
3.	850	+		=	1.569
4.	803	+		=	1.253
5.	836	+		=	1.648
6.	659	+		=	1.071
7.	928	+		=	1.525
8.	749	+		=	1.483
9.	666	+		=	1.045
10.	662	+		=	1.217

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	871	+	648	=	1.519
2.	394	+	385	=	779
3.	449	+	322	=	771
4.	929	+	685	=	1.614
5.	652	+	415	=	1.067
6.	689	+	255	=	944
7.	983	+	727	=	1.710
8.	974	+	258	=	1.232
9.	988	+	744	=	1.732
10.	583	+	356	=	939

Oefening 2
1.	329	+	217	=	546
2.	825	+	374	=	1.199
3.	725	+	613	=	1.338
4.	716	+	379	=	1.095
5.	789	+	654	=	1.443
6.	700	+	397	=	1.097
7.	409	+	245	=	654
8.	832	+	247	=	1.079
9.	936	+	461	=	1.397
10.	927	+	206	=	1.133

Oefening 3
1.	665	+	302	=	967
2.	632	+	489	=	1.121
3.	659	+	222	=	881
4.	290	+	259	=	549
5.	767	+	260	=	1.027
6.	587	+	284	=	871
7.	907	+	346	=	1.253
8.	429	+	271	=	700
9.	987	+	736	=	1.723
10.	899	+	405	=	1.304

Oefening 4
1.	811	+	399	=	1.210
2.	911	+	416	=	1.327
3.	850	+	719	=	1.569
4.	803	+	450	=	1.253
5.	836	+	812	=	1.648
6.	659	+	412	=	1.071
7.	928	+	597	=	1.525
8.	749	+	734	=	1.483
9.	666	+	379	=	1.045
10.	662	+	555	=	1.217