Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	285	+		=	501
2.	714	+		=	1.383
3.	861	+		=	1.583
4.	496	+		=	950
5.	730	+		=	956
6.	826	+		=	1.184
7.	626	+		=	1.117
8.	519	+		=	990
9.	998	+		=	1.358
10.	653	+		=	1.214

Oefening 2
1.	928	+		=	1.309
2.	943	+		=	1.363
3.	434	+		=	836
4.	889	+		=	1.674
5.	779	+		=	1.527
6.	413	+		=	688
7.	913	+		=	1.225
8.	777	+		=	1.441
9.	333	+		=	613
10.	966	+		=	1.326

Oefening 3
1.	780	+		=	1.090
2.	728	+		=	1.255
3.	978	+		=	1.770
4.	864	+		=	1.234
5.	261	+		=	481
6.	714	+		=	1.263
7.	864	+		=	1.117
8.	734	+		=	1.459
9.	665	+		=	1.284
10.	978	+		=	1.456

Oefening 4
1.	812	+		=	1.513
2.	805	+		=	1.029
3.	859	+		=	1.216
4.	867	+		=	1.289
5.	684	+		=	967
6.	969	+		=	1.267
7.	465	+		=	786
8.	990	+		=	1.748
9.	946	+		=	1.877
10.	627	+		=	1.019

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	285	+	216	=	501
2.	714	+	669	=	1.383
3.	861	+	722	=	1.583
4.	496	+	454	=	950
5.	730	+	226	=	956
6.	826	+	358	=	1.184
7.	626	+	491	=	1.117
8.	519	+	471	=	990
9.	998	+	360	=	1.358
10.	653	+	561	=	1.214

Oefening 2
1.	928	+	381	=	1.309
2.	943	+	420	=	1.363
3.	434	+	402	=	836
4.	889	+	785	=	1.674
5.	779	+	748	=	1.527
6.	413	+	275	=	688
7.	913	+	312	=	1.225
8.	777	+	664	=	1.441
9.	333	+	280	=	613
10.	966	+	360	=	1.326

Oefening 3
1.	780	+	310	=	1.090
2.	728	+	527	=	1.255
3.	978	+	792	=	1.770
4.	864	+	370	=	1.234
5.	261	+	220	=	481
6.	714	+	549	=	1.263
7.	864	+	253	=	1.117
8.	734	+	725	=	1.459
9.	665	+	619	=	1.284
10.	978	+	478	=	1.456

Oefening 4
1.	812	+	701	=	1.513
2.	805	+	224	=	1.029
3.	859	+	357	=	1.216
4.	867	+	422	=	1.289
5.	684	+	283	=	967
6.	969	+	298	=	1.267
7.	465	+	321	=	786
8.	990	+	758	=	1.748
9.	946	+	931	=	1.877
10.	627	+	392	=	1.019