Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	995	+		=	1.669
2.	419	+		=	623
3.	423	+		=	837
4.	925	+		=	1.598
5.	573	+		=	1.024
6.	410	+		=	788
7.	882	+		=	1.712
8.	418	+		=	638
9.	954	+		=	1.819
10.	897	+		=	1.274

Oefening 2
1.	789	+		=	1.265
2.	978	+		=	1.597
3.	507	+		=	868
4.	808	+		=	1.372
5.	731	+		=	1.251
6.	619	+		=	836
7.	670	+		=	1.177
8.	758	+		=	1.448
9.	735	+		=	1.385
10.	956	+		=	1.680

Oefening 3
1.	801	+		=	1.002
2.	764	+		=	1.299
3.	524	+		=	998
4.	392	+		=	644
5.	653	+		=	886
6.	776	+		=	1.186
7.	998	+		=	1.637
8.	753	+		=	1.272
9.	697	+		=	934
10.	818	+		=	1.274

Oefening 4
1.	396	+		=	657
2.	897	+		=	1.335
3.	873	+		=	1.630
4.	839	+		=	1.289
5.	784	+		=	1.092
6.	647	+		=	1.240
7.	538	+		=	864
8.	928	+		=	1.794
9.	362	+		=	571
10.	905	+		=	1.710

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	995	+	674	=	1.669
2.	419	+	204	=	623
3.	423	+	414	=	837
4.	925	+	673	=	1.598
5.	573	+	451	=	1.024
6.	410	+	378	=	788
7.	882	+	830	=	1.712
8.	418	+	220	=	638
9.	954	+	865	=	1.819
10.	897	+	377	=	1.274

Oefening 2
1.	789	+	476	=	1.265
2.	978	+	619	=	1.597
3.	507	+	361	=	868
4.	808	+	564	=	1.372
5.	731	+	520	=	1.251
6.	619	+	217	=	836
7.	670	+	507	=	1.177
8.	758	+	690	=	1.448
9.	735	+	650	=	1.385
10.	956	+	724	=	1.680

Oefening 3
1.	801	+	201	=	1.002
2.	764	+	535	=	1.299
3.	524	+	474	=	998
4.	392	+	252	=	644
5.	653	+	233	=	886
6.	776	+	410	=	1.186
7.	998	+	639	=	1.637
8.	753	+	519	=	1.272
9.	697	+	237	=	934
10.	818	+	456	=	1.274

Oefening 4
1.	396	+	261	=	657
2.	897	+	438	=	1.335
3.	873	+	757	=	1.630
4.	839	+	450	=	1.289
5.	784	+	308	=	1.092
6.	647	+	593	=	1.240
7.	538	+	326	=	864
8.	928	+	866	=	1.794
9.	362	+	209	=	571
10.	905	+	805	=	1.710