Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	623	+		=	1.103
2.	452	+		=	880
3.	755	+		=	1.176
4.	826	+		=	1.513
5.	991	+		=	1.333
6.	771	+		=	1.356
7.	704	+		=	1.037
8.	808	+		=	1.335
9.	984	+		=	1.371
10.	329	+		=	560

Oefening 2
1.	538	+		=	834
2.	747	+		=	1.044
3.	749	+		=	1.264
4.	698	+		=	945
5.	861	+		=	1.678
6.	477	+		=	713
7.	866	+		=	1.260
8.	764	+		=	1.324
9.	529	+		=	1.026
10.	886	+		=	1.173

Oefening 3
1.	975	+		=	1.341
2.	858	+		=	1.357
3.	821	+		=	1.052
4.	956	+		=	1.464
5.	509	+		=	747
6.	849	+		=	1.695
7.	758	+		=	1.330
8.	286	+		=	565
9.	693	+		=	1.335
10.	685	+		=	1.120

Oefening 4
1.	816	+		=	1.600
2.	637	+		=	1.022
3.	390	+		=	625
4.	947	+		=	1.496
5.	929	+		=	1.424
6.	977	+		=	1.683
7.	860	+		=	1.081
8.	936	+		=	1.469
9.	830	+		=	1.344
10.	454	+		=	670

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	623	+	480	=	1.103
2.	452	+	428	=	880
3.	755	+	421	=	1.176
4.	826	+	687	=	1.513
5.	991	+	342	=	1.333
6.	771	+	585	=	1.356
7.	704	+	333	=	1.037
8.	808	+	527	=	1.335
9.	984	+	387	=	1.371
10.	329	+	231	=	560

Oefening 2
1.	538	+	296	=	834
2.	747	+	297	=	1.044
3.	749	+	515	=	1.264
4.	698	+	247	=	945
5.	861	+	817	=	1.678
6.	477	+	236	=	713
7.	866	+	394	=	1.260
8.	764	+	560	=	1.324
9.	529	+	497	=	1.026
10.	886	+	287	=	1.173

Oefening 3
1.	975	+	366	=	1.341
2.	858	+	499	=	1.357
3.	821	+	231	=	1.052
4.	956	+	508	=	1.464
5.	509	+	238	=	747
6.	849	+	846	=	1.695
7.	758	+	572	=	1.330
8.	286	+	279	=	565
9.	693	+	642	=	1.335
10.	685	+	435	=	1.120

Oefening 4
1.	816	+	784	=	1.600
2.	637	+	385	=	1.022
3.	390	+	235	=	625
4.	947	+	549	=	1.496
5.	929	+	495	=	1.424
6.	977	+	706	=	1.683
7.	860	+	221	=	1.081
8.	936	+	533	=	1.469
9.	830	+	514	=	1.344
10.	454	+	216	=	670