Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	802	+		=	1.322
2.	719	+		=	919
3.	865	+		=	1.233
4.	385	+		=	676
5.	992	+		=	1.195
6.	625	+		=	1.151
7.	424	+		=	779
8.	638	+		=	1.221
9.	846	+		=	1.589
10.	616	+		=	908

Oefening 2
1.	866	+		=	1.145
2.	854	+		=	1.237
3.	701	+		=	1.132
4.	990	+		=	1.665
5.	743	+		=	1.103
6.	445	+		=	888
7.	533	+		=	945
8.	933	+		=	1.302
9.	860	+		=	1.671
10.	780	+		=	1.462

Oefening 3
1.	942	+		=	1.205
2.	998	+		=	1.834
3.	898	+		=	1.467
4.	963	+		=	1.461
5.	871	+		=	1.628
6.	651	+		=	1.257
7.	467	+		=	832
8.	722	+		=	1.001
9.	372	+		=	648
10.	909	+		=	1.491

Oefening 4
1.	910	+		=	1.249
2.	599	+		=	1.075
3.	755	+		=	1.088
4.	693	+		=	963
5.	301	+		=	594
6.	649	+		=	1.171
7.	870	+		=	1.266
8.	346	+		=	587
9.	537	+		=	1.045
10.	710	+		=	1.180

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	802	+	520	=	1.322
2.	719	+	200	=	919
3.	865	+	368	=	1.233
4.	385	+	291	=	676
5.	992	+	203	=	1.195
6.	625	+	526	=	1.151
7.	424	+	355	=	779
8.	638	+	583	=	1.221
9.	846	+	743	=	1.589
10.	616	+	292	=	908

Oefening 2
1.	866	+	279	=	1.145
2.	854	+	383	=	1.237
3.	701	+	431	=	1.132
4.	990	+	675	=	1.665
5.	743	+	360	=	1.103
6.	445	+	443	=	888
7.	533	+	412	=	945
8.	933	+	369	=	1.302
9.	860	+	811	=	1.671
10.	780	+	682	=	1.462

Oefening 3
1.	942	+	263	=	1.205
2.	998	+	836	=	1.834
3.	898	+	569	=	1.467
4.	963	+	498	=	1.461
5.	871	+	757	=	1.628
6.	651	+	606	=	1.257
7.	467	+	365	=	832
8.	722	+	279	=	1.001
9.	372	+	276	=	648
10.	909	+	582	=	1.491

Oefening 4
1.	910	+	339	=	1.249
2.	599	+	476	=	1.075
3.	755	+	333	=	1.088
4.	693	+	270	=	963
5.	301	+	293	=	594
6.	649	+	522	=	1.171
7.	870	+	396	=	1.266
8.	346	+	241	=	587
9.	537	+	508	=	1.045
10.	710	+	470	=	1.180