Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	785	+		=	1.500
2.	867	+		=	1.472
3.	922	+		=	1.300
4.	832	+		=	1.078
5.	802	+		=	1.386
6.	541	+		=	897
7.	482	+		=	749
8.	790	+		=	1.333
9.	576	+		=	850
10.	994	+		=	1.777

Oefening 2
1.	500	+		=	965
2.	354	+		=	688
3.	920	+		=	1.143
4.	930	+		=	1.397
5.	824	+		=	1.323
6.	460	+		=	826
7.	958	+		=	1.381
8.	756	+		=	1.412
9.	812	+		=	1.529
10.	746	+		=	1.213

Oefening 3
1.	538	+		=	950
2.	387	+		=	756
3.	840	+		=	1.121
4.	769	+		=	1.388
5.	685	+		=	1.201
6.	918	+		=	1.252
7.	997	+		=	1.534
8.	812	+		=	1.167
9.	898	+		=	1.312
10.	500	+		=	926

Oefening 4
1.	786	+		=	1.108
2.	859	+		=	1.120
3.	510	+		=	721
4.	666	+		=	896
5.	917	+		=	1.690
6.	404	+		=	609
7.	973	+		=	1.663
8.	730	+		=	1.160
9.	830	+		=	1.490
10.	868	+		=	1.411

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	785	+	715	=	1.500
2.	867	+	605	=	1.472
3.	922	+	378	=	1.300
4.	832	+	246	=	1.078
5.	802	+	584	=	1.386
6.	541	+	356	=	897
7.	482	+	267	=	749
8.	790	+	543	=	1.333
9.	576	+	274	=	850
10.	994	+	783	=	1.777

Oefening 2
1.	500	+	465	=	965
2.	354	+	334	=	688
3.	920	+	223	=	1.143
4.	930	+	467	=	1.397
5.	824	+	499	=	1.323
6.	460	+	366	=	826
7.	958	+	423	=	1.381
8.	756	+	656	=	1.412
9.	812	+	717	=	1.529
10.	746	+	467	=	1.213

Oefening 3
1.	538	+	412	=	950
2.	387	+	369	=	756
3.	840	+	281	=	1.121
4.	769	+	619	=	1.388
5.	685	+	516	=	1.201
6.	918	+	334	=	1.252
7.	997	+	537	=	1.534
8.	812	+	355	=	1.167
9.	898	+	414	=	1.312
10.	500	+	426	=	926

Oefening 4
1.	786	+	322	=	1.108
2.	859	+	261	=	1.120
3.	510	+	211	=	721
4.	666	+	230	=	896
5.	917	+	773	=	1.690
6.	404	+	205	=	609
7.	973	+	690	=	1.663
8.	730	+	430	=	1.160
9.	830	+	660	=	1.490
10.	868	+	543	=	1.411