Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	589	+		=	1.064
2.	820	+		=	1.432
3.	543	+		=	955
4.	865	+		=	1.082
5.	597	+		=	1.169
6.	623	+		=	967
7.	867	+		=	1.286
8.	876	+		=	1.318
9.	861	+		=	1.395
10.	782	+		=	1.273

Oefening 2
1.	451	+		=	848
2.	553	+		=	810
3.	648	+		=	1.262
4.	499	+		=	852
5.	872	+		=	1.172
6.	771	+		=	1.509
7.	579	+		=	1.063
8.	594	+		=	827
9.	287	+		=	502
10.	395	+		=	771

Oefening 3
1.	565	+		=	836
2.	658	+		=	1.193
3.	925	+		=	1.794
4.	610	+		=	832
5.	804	+		=	1.411
6.	698	+		=	1.133
7.	591	+		=	1.020
8.	540	+		=	783
9.	710	+		=	1.179
10.	765	+		=	1.314

Oefening 4
1.	898	+		=	1.705
2.	985	+		=	1.865
3.	938	+		=	1.681
4.	919	+		=	1.532
5.	610	+		=	1.204
6.	430	+		=	671
7.	827	+		=	1.158
8.	534	+		=	794
9.	753	+		=	1.090
10.	996	+		=	1.333

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	589	+	475	=	1.064
2.	820	+	612	=	1.432
3.	543	+	412	=	955
4.	865	+	217	=	1.082
5.	597	+	572	=	1.169
6.	623	+	344	=	967
7.	867	+	419	=	1.286
8.	876	+	442	=	1.318
9.	861	+	534	=	1.395
10.	782	+	491	=	1.273

Oefening 2
1.	451	+	397	=	848
2.	553	+	257	=	810
3.	648	+	614	=	1.262
4.	499	+	353	=	852
5.	872	+	300	=	1.172
6.	771	+	738	=	1.509
7.	579	+	484	=	1.063
8.	594	+	233	=	827
9.	287	+	215	=	502
10.	395	+	376	=	771

Oefening 3
1.	565	+	271	=	836
2.	658	+	535	=	1.193
3.	925	+	869	=	1.794
4.	610	+	222	=	832
5.	804	+	607	=	1.411
6.	698	+	435	=	1.133
7.	591	+	429	=	1.020
8.	540	+	243	=	783
9.	710	+	469	=	1.179
10.	765	+	549	=	1.314

Oefening 4
1.	898	+	807	=	1.705
2.	985	+	880	=	1.865
3.	938	+	743	=	1.681
4.	919	+	613	=	1.532
5.	610	+	594	=	1.204
6.	430	+	241	=	671
7.	827	+	331	=	1.158
8.	534	+	260	=	794
9.	753	+	337	=	1.090
10.	996	+	337	=	1.333