Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	886	+		=	1.410
2.	606	+		=	868
3.	987	+		=	1.738
4.	849	+		=	1.134
5.	779	+		=	1.556
6.	698	+		=	1.283
7.	980	+		=	1.679
8.	703	+		=	1.354
9.	810	+		=	1.508
10.	853	+		=	1.697

Oefening 2
1.	953	+		=	1.772
2.	894	+		=	1.415
3.	757	+		=	1.177
4.	361	+		=	596
5.	836	+		=	1.423
6.	810	+		=	1.448
7.	580	+		=	806
8.	975	+		=	1.549
9.	646	+		=	1.066
10.	489	+		=	969

Oefening 3
1.	935	+		=	1.323
2.	623	+		=	981
3.	707	+		=	1.025
4.	862	+		=	1.548
5.	769	+		=	1.123
6.	982	+		=	1.456
7.	678	+		=	1.206
8.	555	+		=	776
9.	509	+		=	980
10.	384	+		=	619

Oefening 4
1.	723	+		=	1.432
2.	864	+		=	1.354
3.	891	+		=	1.233
4.	881	+		=	1.747
5.	578	+		=	867
6.	421	+		=	778
7.	729	+		=	1.300
8.	678	+		=	1.330
9.	756	+		=	1.081
10.	564	+		=	876

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	886	+	524	=	1.410
2.	606	+	262	=	868
3.	987	+	751	=	1.738
4.	849	+	285	=	1.134
5.	779	+	777	=	1.556
6.	698	+	585	=	1.283
7.	980	+	699	=	1.679
8.	703	+	651	=	1.354
9.	810	+	698	=	1.508
10.	853	+	844	=	1.697

Oefening 2
1.	953	+	819	=	1.772
2.	894	+	521	=	1.415
3.	757	+	420	=	1.177
4.	361	+	235	=	596
5.	836	+	587	=	1.423
6.	810	+	638	=	1.448
7.	580	+	226	=	806
8.	975	+	574	=	1.549
9.	646	+	420	=	1.066
10.	489	+	480	=	969

Oefening 3
1.	935	+	388	=	1.323
2.	623	+	358	=	981
3.	707	+	318	=	1.025
4.	862	+	686	=	1.548
5.	769	+	354	=	1.123
6.	982	+	474	=	1.456
7.	678	+	528	=	1.206
8.	555	+	221	=	776
9.	509	+	471	=	980
10.	384	+	235	=	619

Oefening 4
1.	723	+	709	=	1.432
2.	864	+	490	=	1.354
3.	891	+	342	=	1.233
4.	881	+	866	=	1.747
5.	578	+	289	=	867
6.	421	+	357	=	778
7.	729	+	571	=	1.300
8.	678	+	652	=	1.330
9.	756	+	325	=	1.081
10.	564	+	312	=	876