Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	123	+		=	237
2.	466	+		=	846
3.	236	+		=	439
4.	450	+		=	674
5.	355	+		=	637
6.	435	+		=	821
7.	302	+		=	435
8.	491	+		=	935
9.	378	+		=	659
10.	428	+		=	722

Oefening 2
1.	444	+		=	836
2.	355	+		=	649
3.	452	+		=	863
4.	333	+		=	578
5.	248	+		=	349
6.	434	+		=	798
7.	495	+		=	911
8.	274	+		=	543
9.	330	+		=	546
10.	341	+		=	538

Oefening 3
1.	443	+		=	631
2.	489	+		=	878
3.	314	+		=	515
4.	449	+		=	790
5.	452	+		=	777
6.	185	+		=	308
7.	489	+		=	907
8.	315	+		=	430
9.	401	+		=	549
10.	271	+		=	464

Oefening 4
1.	274	+		=	521
2.	450	+		=	578
3.	480	+		=	872
4.	494	+		=	863
5.	208	+		=	326
6.	359	+		=	471
7.	475	+		=	667
8.	356	+		=	506
9.	420	+		=	742
10.	356	+		=	472

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	123	+	114	=	237
2.	466	+	380	=	846
3.	236	+	203	=	439
4.	450	+	224	=	674
5.	355	+	282	=	637
6.	435	+	386	=	821
7.	302	+	133	=	435
8.	491	+	444	=	935
9.	378	+	281	=	659
10.	428	+	294	=	722

Oefening 2
1.	444	+	392	=	836
2.	355	+	294	=	649
3.	452	+	411	=	863
4.	333	+	245	=	578
5.	248	+	101	=	349
6.	434	+	364	=	798
7.	495	+	416	=	911
8.	274	+	269	=	543
9.	330	+	216	=	546
10.	341	+	197	=	538

Oefening 3
1.	443	+	188	=	631
2.	489	+	389	=	878
3.	314	+	201	=	515
4.	449	+	341	=	790
5.	452	+	325	=	777
6.	185	+	123	=	308
7.	489	+	418	=	907
8.	315	+	115	=	430
9.	401	+	148	=	549
10.	271	+	193	=	464

Oefening 4
1.	274	+	247	=	521
2.	450	+	128	=	578
3.	480	+	392	=	872
4.	494	+	369	=	863
5.	208	+	118	=	326
6.	359	+	112	=	471
7.	475	+	192	=	667
8.	356	+	150	=	506
9.	420	+	322	=	742
10.	356	+	116	=	472