Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	659	+		=	951
2.	857	+		=	1.141
3.	451	+		=	700
4.	624	+		=	922
5.	502	+		=	712
6.	595	+		=	900
7.	898	+		=	1.560
8.	977	+		=	1.815
9.	925	+		=	1.653
10.	657	+		=	1.190

Oefening 2
1.	561	+		=	782
2.	727	+		=	1.325
3.	903	+		=	1.601
4.	485	+		=	925
5.	815	+		=	1.404
6.	944	+		=	1.438
7.	905	+		=	1.804
8.	923	+		=	1.586
9.	472	+		=	857
10.	771	+		=	1.405

Oefening 3
1.	973	+		=	1.761
2.	923	+		=	1.675
3.	591	+		=	1.005
4.	819	+		=	1.400
5.	553	+		=	1.036
6.	733	+		=	1.266
7.	394	+		=	639
8.	847	+		=	1.047
9.	943	+		=	1.662
10.	735	+		=	976

Oefening 4
1.	986	+		=	1.432
2.	544	+		=	1.051
3.	988	+		=	1.700
4.	638	+		=	968
5.	503	+		=	956
6.	573	+		=	1.003
7.	786	+		=	1.141
8.	747	+		=	1.364
9.	809	+		=	1.585
10.	617	+		=	1.060

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	659	+	292	=	951
2.	857	+	284	=	1.141
3.	451	+	249	=	700
4.	624	+	298	=	922
5.	502	+	210	=	712
6.	595	+	305	=	900
7.	898	+	662	=	1.560
8.	977	+	838	=	1.815
9.	925	+	728	=	1.653
10.	657	+	533	=	1.190

Oefening 2
1.	561	+	221	=	782
2.	727	+	598	=	1.325
3.	903	+	698	=	1.601
4.	485	+	440	=	925
5.	815	+	589	=	1.404
6.	944	+	494	=	1.438
7.	905	+	899	=	1.804
8.	923	+	663	=	1.586
9.	472	+	385	=	857
10.	771	+	634	=	1.405

Oefening 3
1.	973	+	788	=	1.761
2.	923	+	752	=	1.675
3.	591	+	414	=	1.005
4.	819	+	581	=	1.400
5.	553	+	483	=	1.036
6.	733	+	533	=	1.266
7.	394	+	245	=	639
8.	847	+	200	=	1.047
9.	943	+	719	=	1.662
10.	735	+	241	=	976

Oefening 4
1.	986	+	446	=	1.432
2.	544	+	507	=	1.051
3.	988	+	712	=	1.700
4.	638	+	330	=	968
5.	503	+	453	=	956
6.	573	+	430	=	1.003
7.	786	+	355	=	1.141
8.	747	+	617	=	1.364
9.	809	+	776	=	1.585
10.	617	+	443	=	1.060