Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	947	+		=	1.281
2.	789	+		=	1.084
3.	632	+		=	1.019
4.	686	+		=	1.290
5.	286	+		=	521
6.	964	+		=	1.563
7.	455	+		=	708
8.	355	+		=	597
9.	935	+		=	1.452
10.	875	+		=	1.404

Oefening 2
1.	711	+		=	937
2.	857	+		=	1.286
3.	763	+		=	975
4.	692	+		=	1.334
5.	492	+		=	727
6.	694	+		=	1.052
7.	859	+		=	1.444
8.	991	+		=	1.896
9.	511	+		=	807
10.	695	+		=	910

Oefening 3
1.	454	+		=	720
2.	309	+		=	598
3.	546	+		=	810
4.	852	+		=	1.335
5.	844	+		=	1.055
6.	359	+		=	613
7.	755	+		=	1.092
8.	682	+		=	1.272
9.	857	+		=	1.274
10.	683	+		=	968

Oefening 4
1.	857	+		=	1.698
2.	566	+		=	811
3.	802	+		=	1.259
4.	710	+		=	1.119
5.	982	+		=	1.554
6.	546	+		=	877
7.	878	+		=	1.177
8.	528	+		=	753
9.	601	+		=	1.159
10.	508	+		=	972

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	947	+	334	=	1.281
2.	789	+	295	=	1.084
3.	632	+	387	=	1.019
4.	686	+	604	=	1.290
5.	286	+	235	=	521
6.	964	+	599	=	1.563
7.	455	+	253	=	708
8.	355	+	242	=	597
9.	935	+	517	=	1.452
10.	875	+	529	=	1.404

Oefening 2
1.	711	+	226	=	937
2.	857	+	429	=	1.286
3.	763	+	212	=	975
4.	692	+	642	=	1.334
5.	492	+	235	=	727
6.	694	+	358	=	1.052
7.	859	+	585	=	1.444
8.	991	+	905	=	1.896
9.	511	+	296	=	807
10.	695	+	215	=	910

Oefening 3
1.	454	+	266	=	720
2.	309	+	289	=	598
3.	546	+	264	=	810
4.	852	+	483	=	1.335
5.	844	+	211	=	1.055
6.	359	+	254	=	613
7.	755	+	337	=	1.092
8.	682	+	590	=	1.272
9.	857	+	417	=	1.274
10.	683	+	285	=	968

Oefening 4
1.	857	+	841	=	1.698
2.	566	+	245	=	811
3.	802	+	457	=	1.259
4.	710	+	409	=	1.119
5.	982	+	572	=	1.554
6.	546	+	331	=	877
7.	878	+	299	=	1.177
8.	528	+	225	=	753
9.	601	+	558	=	1.159
10.	508	+	464	=	972