Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	774	+		=	1.445
2.	814	+		=	1.091
3.	534	+		=	794
4.	620	+		=	937
5.	901	+		=	1.229
6.	822	+		=	1.609
7.	211	+		=	414
8.	951	+		=	1.489
9.	349	+		=	573
10.	949	+		=	1.272

Oefening 2
1.	597	+		=	865
2.	830	+		=	1.355
3.	949	+		=	1.404
4.	602	+		=	1.025
5.	903	+		=	1.214
6.	995	+		=	1.970
7.	681	+		=	969
8.	969	+		=	1.529
9.	568	+		=	873
10.	873	+		=	1.250

Oefening 3
1.	814	+		=	1.456
2.	775	+		=	1.179
3.	573	+		=	1.145
4.	399	+		=	739
5.	651	+		=	892
6.	940	+		=	1.575
7.	977	+		=	1.483
8.	893	+		=	1.536
9.	685	+		=	1.022
10.	774	+		=	1.099

Oefening 4
1.	503	+		=	851
2.	700	+		=	1.206
3.	941	+		=	1.241
4.	618	+		=	1.190
5.	775	+		=	1.293
6.	831	+		=	1.192
7.	574	+		=	1.049
8.	602	+		=	1.043
9.	994	+		=	1.823
10.	667	+		=	1.117

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	774	+	671	=	1.445
2.	814	+	277	=	1.091
3.	534	+	260	=	794
4.	620	+	317	=	937
5.	901	+	328	=	1.229
6.	822	+	787	=	1.609
7.	211	+	203	=	414
8.	951	+	538	=	1.489
9.	349	+	224	=	573
10.	949	+	323	=	1.272

Oefening 2
1.	597	+	268	=	865
2.	830	+	525	=	1.355
3.	949	+	455	=	1.404
4.	602	+	423	=	1.025
5.	903	+	311	=	1.214
6.	995	+	975	=	1.970
7.	681	+	288	=	969
8.	969	+	560	=	1.529
9.	568	+	305	=	873
10.	873	+	377	=	1.250

Oefening 3
1.	814	+	642	=	1.456
2.	775	+	404	=	1.179
3.	573	+	572	=	1.145
4.	399	+	340	=	739
5.	651	+	241	=	892
6.	940	+	635	=	1.575
7.	977	+	506	=	1.483
8.	893	+	643	=	1.536
9.	685	+	337	=	1.022
10.	774	+	325	=	1.099

Oefening 4
1.	503	+	348	=	851
2.	700	+	506	=	1.206
3.	941	+	300	=	1.241
4.	618	+	572	=	1.190
5.	775	+	518	=	1.293
6.	831	+	361	=	1.192
7.	574	+	475	=	1.049
8.	602	+	441	=	1.043
9.	994	+	829	=	1.823
10.	667	+	450	=	1.117