Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	417	+		=	816
2.	443	+		=	732
3.	798	+		=	1.320
4.	942	+		=	1.692
5.	900	+		=	1.643
6.	769	+		=	1.389
7.	636	+		=	1.005
8.	623	+		=	1.235
9.	975	+		=	1.573
10.	998	+		=	1.794

Oefening 2
1.	822	+		=	1.369
2.	895	+		=	1.139
3.	947	+		=	1.556
4.	893	+		=	1.161
5.	828	+		=	1.516
6.	681	+		=	1.291
7.	730	+		=	1.142
8.	562	+		=	913
9.	798	+		=	1.221
10.	721	+		=	1.268

Oefening 3
1.	942	+		=	1.680
2.	538	+		=	747
3.	865	+		=	1.350
4.	376	+		=	702
5.	964	+		=	1.587
6.	858	+		=	1.558
7.	475	+		=	749
8.	422	+		=	780
9.	772	+		=	1.290
10.	949	+		=	1.762

Oefening 4
1.	895	+		=	1.134
2.	954	+		=	1.389
3.	629	+		=	1.161
4.	885	+		=	1.387
5.	563	+		=	1.115
6.	700	+		=	1.303
7.	528	+		=	833
8.	293	+		=	566
9.	981	+		=	1.624
10.	866	+		=	1.482

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	417	+	399	=	816
2.	443	+	289	=	732
3.	798	+	522	=	1.320
4.	942	+	750	=	1.692
5.	900	+	743	=	1.643
6.	769	+	620	=	1.389
7.	636	+	369	=	1.005
8.	623	+	612	=	1.235
9.	975	+	598	=	1.573
10.	998	+	796	=	1.794

Oefening 2
1.	822	+	547	=	1.369
2.	895	+	244	=	1.139
3.	947	+	609	=	1.556
4.	893	+	268	=	1.161
5.	828	+	688	=	1.516
6.	681	+	610	=	1.291
7.	730	+	412	=	1.142
8.	562	+	351	=	913
9.	798	+	423	=	1.221
10.	721	+	547	=	1.268

Oefening 3
1.	942	+	738	=	1.680
2.	538	+	209	=	747
3.	865	+	485	=	1.350
4.	376	+	326	=	702
5.	964	+	623	=	1.587
6.	858	+	700	=	1.558
7.	475	+	274	=	749
8.	422	+	358	=	780
9.	772	+	518	=	1.290
10.	949	+	813	=	1.762

Oefening 4
1.	895	+	239	=	1.134
2.	954	+	435	=	1.389
3.	629	+	532	=	1.161
4.	885	+	502	=	1.387
5.	563	+	552	=	1.115
6.	700	+	603	=	1.303
7.	528	+	305	=	833
8.	293	+	273	=	566
9.	981	+	643	=	1.624
10.	866	+	616	=	1.482