Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	967	+		=	1.508
2.	975	+		=	1.321
3.	256	+		=	463
4.	788	+		=	998
5.	923	+		=	1.619
6.	965	+		=	1.408
7.	909	+		=	1.250
8.	551	+		=	943
9.	600	+		=	990
10.	457	+		=	778

Oefening 2
1.	952	+		=	1.813
2.	680	+		=	1.237
3.	549	+		=	772
4.	825	+		=	1.086
5.	673	+		=	1.111
6.	454	+		=	858
7.	545	+		=	797
8.	955	+		=	1.263
9.	372	+		=	710
10.	530	+		=	944

Oefening 3
1.	876	+		=	1.127
2.	575	+		=	848
3.	754	+		=	1.141
4.	898	+		=	1.472
5.	402	+		=	713
6.	940	+		=	1.397
7.	826	+		=	1.615
8.	461	+		=	734
9.	459	+		=	718
10.	274	+		=	496

Oefening 4
1.	614	+		=	828
2.	943	+		=	1.336
3.	896	+		=	1.542
4.	684	+		=	1.033
5.	419	+		=	789
6.	878	+		=	1.329
7.	940	+		=	1.321
8.	681	+		=	1.027
9.	575	+		=	802
10.	666	+		=	1.188

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	967	+	541	=	1.508
2.	975	+	346	=	1.321
3.	256	+	207	=	463
4.	788	+	210	=	998
5.	923	+	696	=	1.619
6.	965	+	443	=	1.408
7.	909	+	341	=	1.250
8.	551	+	392	=	943
9.	600	+	390	=	990
10.	457	+	321	=	778

Oefening 2
1.	952	+	861	=	1.813
2.	680	+	557	=	1.237
3.	549	+	223	=	772
4.	825	+	261	=	1.086
5.	673	+	438	=	1.111
6.	454	+	404	=	858
7.	545	+	252	=	797
8.	955	+	308	=	1.263
9.	372	+	338	=	710
10.	530	+	414	=	944

Oefening 3
1.	876	+	251	=	1.127
2.	575	+	273	=	848
3.	754	+	387	=	1.141
4.	898	+	574	=	1.472
5.	402	+	311	=	713
6.	940	+	457	=	1.397
7.	826	+	789	=	1.615
8.	461	+	273	=	734
9.	459	+	259	=	718
10.	274	+	222	=	496

Oefening 4
1.	614	+	214	=	828
2.	943	+	393	=	1.336
3.	896	+	646	=	1.542
4.	684	+	349	=	1.033
5.	419	+	370	=	789
6.	878	+	451	=	1.329
7.	940	+	381	=	1.321
8.	681	+	346	=	1.027
9.	575	+	227	=	802
10.	666	+	522	=	1.188