Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	974	+		=	1.641
2.	599	+		=	841
3.	519	+		=	1.004
4.	786	+		=	1.534
5.	492	+		=	827
6.	693	+		=	1.221
7.	441	+		=	816
8.	806	+		=	1.458
9.	663	+		=	1.167
10.	517	+		=	819

Oefening 2
1.	562	+		=	1.107
2.	539	+		=	778
3.	483	+		=	927
4.	887	+		=	1.587
5.	928	+		=	1.207
6.	919	+		=	1.775
7.	969	+		=	1.867
8.	275	+		=	478
9.	887	+		=	1.595
10.	626	+		=	896

Oefening 3
1.	869	+		=	1.240
2.	615	+		=	874
3.	565	+		=	780
4.	891	+		=	1.452
5.	996	+		=	1.988
6.	887	+		=	1.371
7.	830	+		=	1.659
8.	592	+		=	924
9.	665	+		=	881
10.	883	+		=	1.488

Oefening 4
1.	643	+		=	994
2.	516	+		=	1.008
3.	785	+		=	1.009
4.	925	+		=	1.370
5.	726	+		=	1.163
6.	372	+		=	630
7.	600	+		=	895
8.	816	+		=	1.130
9.	896	+		=	1.504
10.	879	+		=	1.622

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	974	+	667	=	1.641
2.	599	+	242	=	841
3.	519	+	485	=	1.004
4.	786	+	748	=	1.534
5.	492	+	335	=	827
6.	693	+	528	=	1.221
7.	441	+	375	=	816
8.	806	+	652	=	1.458
9.	663	+	504	=	1.167
10.	517	+	302	=	819

Oefening 2
1.	562	+	545	=	1.107
2.	539	+	239	=	778
3.	483	+	444	=	927
4.	887	+	700	=	1.587
5.	928	+	279	=	1.207
6.	919	+	856	=	1.775
7.	969	+	898	=	1.867
8.	275	+	203	=	478
9.	887	+	708	=	1.595
10.	626	+	270	=	896

Oefening 3
1.	869	+	371	=	1.240
2.	615	+	259	=	874
3.	565	+	215	=	780
4.	891	+	561	=	1.452
5.	996	+	992	=	1.988
6.	887	+	484	=	1.371
7.	830	+	829	=	1.659
8.	592	+	332	=	924
9.	665	+	216	=	881
10.	883	+	605	=	1.488

Oefening 4
1.	643	+	351	=	994
2.	516	+	492	=	1.008
3.	785	+	224	=	1.009
4.	925	+	445	=	1.370
5.	726	+	437	=	1.163
6.	372	+	258	=	630
7.	600	+	295	=	895
8.	816	+	314	=	1.130
9.	896	+	608	=	1.504
10.	879	+	743	=	1.622