Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	348	+		=	581
2.	461	+		=	833
3.	868	+		=	1.170
4.	440	+		=	761
5.	508	+		=	789
6.	904	+		=	1.220
7.	606	+		=	1.167
8.	848	+		=	1.525
9.	912	+		=	1.240
10.	946	+		=	1.867

Oefening 2
1.	762	+		=	1.481
2.	443	+		=	704
3.	998	+		=	1.951
4.	819	+		=	1.122
5.	886	+		=	1.223
6.	577	+		=	870
7.	669	+		=	1.155
8.	593	+		=	942
9.	734	+		=	1.190
10.	972	+		=	1.756

Oefening 3
1.	803	+		=	1.428
2.	963	+		=	1.383
3.	991	+		=	1.851
4.	935	+		=	1.606
5.	689	+		=	1.150
6.	984	+		=	1.574
7.	641	+		=	983
8.	639	+		=	1.032
9.	830	+		=	1.434
10.	914	+		=	1.798

Oefening 4
1.	989	+		=	1.605
2.	688	+		=	1.359
3.	823	+		=	1.049
4.	711	+		=	1.285
5.	799	+		=	1.413
6.	849	+		=	1.609
7.	622	+		=	1.237
8.	855	+		=	1.363
9.	611	+		=	1.110
10.	716	+		=	973

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	348	+	233	=	581
2.	461	+	372	=	833
3.	868	+	302	=	1.170
4.	440	+	321	=	761
5.	508	+	281	=	789
6.	904	+	316	=	1.220
7.	606	+	561	=	1.167
8.	848	+	677	=	1.525
9.	912	+	328	=	1.240
10.	946	+	921	=	1.867

Oefening 2
1.	762	+	719	=	1.481
2.	443	+	261	=	704
3.	998	+	953	=	1.951
4.	819	+	303	=	1.122
5.	886	+	337	=	1.223
6.	577	+	293	=	870
7.	669	+	486	=	1.155
8.	593	+	349	=	942
9.	734	+	456	=	1.190
10.	972	+	784	=	1.756

Oefening 3
1.	803	+	625	=	1.428
2.	963	+	420	=	1.383
3.	991	+	860	=	1.851
4.	935	+	671	=	1.606
5.	689	+	461	=	1.150
6.	984	+	590	=	1.574
7.	641	+	342	=	983
8.	639	+	393	=	1.032
9.	830	+	604	=	1.434
10.	914	+	884	=	1.798

Oefening 4
1.	989	+	616	=	1.605
2.	688	+	671	=	1.359
3.	823	+	226	=	1.049
4.	711	+	574	=	1.285
5.	799	+	614	=	1.413
6.	849	+	760	=	1.609
7.	622	+	615	=	1.237
8.	855	+	508	=	1.363
9.	611	+	499	=	1.110
10.	716	+	257	=	973