Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	489	+		=	910
2.	285	+		=	499
3.	176	+		=	293
4.	234	+		=	383
5.	164	+		=	291
6.	303	+		=	450
7.	494	+		=	609
8.	301	+		=	490
9.	386	+		=	626
10.	332	+		=	478

Oefening 2
1.	293	+		=	488
2.	202	+		=	374
3.	467	+		=	744
4.	222	+		=	359
5.	309	+		=	595
6.	461	+		=	743
7.	387	+		=	648
8.	153	+		=	285
9.	470	+		=	827
10.	360	+		=	648

Oefening 3
1.	386	+		=	769
2.	426	+		=	784
3.	472	+		=	918
4.	404	+		=	536
5.	443	+		=	801
6.	488	+		=	963
7.	191	+		=	360
8.	405	+		=	585
9.	370	+		=	591
10.	447	+		=	777

Oefening 4
1.	429	+		=	538
2.	467	+		=	712
3.	428	+		=	547
4.	212	+		=	385
5.	452	+		=	807
6.	347	+		=	543
7.	441	+		=	839
8.	423	+		=	601
9.	319	+		=	475
10.	353	+		=	531

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	489	+	421	=	910
2.	285	+	214	=	499
3.	176	+	117	=	293
4.	234	+	149	=	383
5.	164	+	127	=	291
6.	303	+	147	=	450
7.	494	+	115	=	609
8.	301	+	189	=	490
9.	386	+	240	=	626
10.	332	+	146	=	478

Oefening 2
1.	293	+	195	=	488
2.	202	+	172	=	374
3.	467	+	277	=	744
4.	222	+	137	=	359
5.	309	+	286	=	595
6.	461	+	282	=	743
7.	387	+	261	=	648
8.	153	+	132	=	285
9.	470	+	357	=	827
10.	360	+	288	=	648

Oefening 3
1.	386	+	383	=	769
2.	426	+	358	=	784
3.	472	+	446	=	918
4.	404	+	132	=	536
5.	443	+	358	=	801
6.	488	+	475	=	963
7.	191	+	169	=	360
8.	405	+	180	=	585
9.	370	+	221	=	591
10.	447	+	330	=	777

Oefening 4
1.	429	+	109	=	538
2.	467	+	245	=	712
3.	428	+	119	=	547
4.	212	+	173	=	385
5.	452	+	355	=	807
6.	347	+	196	=	543
7.	441	+	398	=	839
8.	423	+	178	=	601
9.	319	+	156	=	475
10.	353	+	178	=	531