Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	334	+		=	498
2.	498	+		=	801
3.	464	+		=	839
4.	429	+		=	698
5.	271	+		=	384
6.	247	+		=	434
7.	390	+		=	639
8.	409	+		=	566
9.	380	+		=	578
10.	421	+		=	728

Oefening 2
1.	484	+		=	919
2.	379	+		=	612
3.	485	+		=	646
4.	389	+		=	662
5.	360	+		=	601
6.	251	+		=	467
7.	347	+		=	534
8.	419	+		=	832
9.	387	+		=	698
10.	209	+		=	386

Oefening 3
1.	302	+		=	413
2.	271	+		=	433
3.	474	+		=	924
4.	439	+		=	818
5.	430	+		=	819
6.	315	+		=	424
7.	286	+		=	548
8.	451	+		=	738
9.	305	+		=	456
10.	246	+		=	444

Oefening 4
1.	431	+		=	601
2.	427	+		=	708
3.	409	+		=	639
4.	185	+		=	317
5.	495	+		=	852
6.	483	+		=	727
7.	495	+		=	779
8.	419	+		=	789
9.	293	+		=	398
10.	310	+		=	517

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	334	+	164	=	498
2.	498	+	303	=	801
3.	464	+	375	=	839
4.	429	+	269	=	698
5.	271	+	113	=	384
6.	247	+	187	=	434
7.	390	+	249	=	639
8.	409	+	157	=	566
9.	380	+	198	=	578
10.	421	+	307	=	728

Oefening 2
1.	484	+	435	=	919
2.	379	+	233	=	612
3.	485	+	161	=	646
4.	389	+	273	=	662
5.	360	+	241	=	601
6.	251	+	216	=	467
7.	347	+	187	=	534
8.	419	+	413	=	832
9.	387	+	311	=	698
10.	209	+	177	=	386

Oefening 3
1.	302	+	111	=	413
2.	271	+	162	=	433
3.	474	+	450	=	924
4.	439	+	379	=	818
5.	430	+	389	=	819
6.	315	+	109	=	424
7.	286	+	262	=	548
8.	451	+	287	=	738
9.	305	+	151	=	456
10.	246	+	198	=	444

Oefening 4
1.	431	+	170	=	601
2.	427	+	281	=	708
3.	409	+	230	=	639
4.	185	+	132	=	317
5.	495	+	357	=	852
6.	483	+	244	=	727
7.	495	+	284	=	779
8.	419	+	370	=	789
9.	293	+	105	=	398
10.	310	+	207	=	517