Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	529	+		=	1.041
2.	917	+		=	1.674
3.	716	+		=	1.319
4.	255	+		=	495
5.	890	+		=	1.617
6.	446	+		=	686
7.	373	+		=	741
8.	701	+		=	1.218
9.	880	+		=	1.397
10.	965	+		=	1.671

Oefening 2
1.	960	+		=	1.782
2.	658	+		=	898
3.	601	+		=	833
4.	795	+		=	1.500
5.	545	+		=	754
6.	667	+		=	1.276
7.	931	+		=	1.195
8.	667	+		=	1.042
9.	820	+		=	1.257
10.	723	+		=	955

Oefening 3
1.	795	+		=	1.353
2.	763	+		=	1.136
3.	815	+		=	1.025
4.	739	+		=	1.096
5.	772	+		=	1.485
6.	684	+		=	889
7.	331	+		=	533
8.	862	+		=	1.711
9.	456	+		=	845
10.	814	+		=	1.434

Oefening 4
1.	785	+		=	1.090
2.	334	+		=	549
3.	944	+		=	1.257
4.	975	+		=	1.839
5.	733	+		=	987
6.	963	+		=	1.342
7.	669	+		=	952
8.	603	+		=	1.016
9.	855	+		=	1.665
10.	653	+		=	920

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	529	+	512	=	1.041
2.	917	+	757	=	1.674
3.	716	+	603	=	1.319
4.	255	+	240	=	495
5.	890	+	727	=	1.617
6.	446	+	240	=	686
7.	373	+	368	=	741
8.	701	+	517	=	1.218
9.	880	+	517	=	1.397
10.	965	+	706	=	1.671

Oefening 2
1.	960	+	822	=	1.782
2.	658	+	240	=	898
3.	601	+	232	=	833
4.	795	+	705	=	1.500
5.	545	+	209	=	754
6.	667	+	609	=	1.276
7.	931	+	264	=	1.195
8.	667	+	375	=	1.042
9.	820	+	437	=	1.257
10.	723	+	232	=	955

Oefening 3
1.	795	+	558	=	1.353
2.	763	+	373	=	1.136
3.	815	+	210	=	1.025
4.	739	+	357	=	1.096
5.	772	+	713	=	1.485
6.	684	+	205	=	889
7.	331	+	202	=	533
8.	862	+	849	=	1.711
9.	456	+	389	=	845
10.	814	+	620	=	1.434

Oefening 4
1.	785	+	305	=	1.090
2.	334	+	215	=	549
3.	944	+	313	=	1.257
4.	975	+	864	=	1.839
5.	733	+	254	=	987
6.	963	+	379	=	1.342
7.	669	+	283	=	952
8.	603	+	413	=	1.016
9.	855	+	810	=	1.665
10.	653	+	267	=	920