Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	390	+		=	588
2.	440	+		=	700
3.	410	+		=	812
4.	363	+		=	550
5.	303	+		=	600
6.	500	+		=	742
7.	433	+		=	620
8.	458	+		=	829
9.	386	+		=	744
10.	302	+		=	412

Oefening 2
1.	440	+		=	799
2.	419	+		=	634
3.	451	+		=	657
4.	269	+		=	382
5.	404	+		=	753
6.	480	+		=	891
7.	258	+		=	424
8.	287	+		=	452
9.	270	+		=	455
10.	293	+		=	556

Oefening 3
1.	440	+		=	646
2.	330	+		=	513
3.	184	+		=	351
4.	445	+		=	583
5.	438	+		=	678
6.	317	+		=	474
7.	346	+		=	654
8.	485	+		=	919
9.	282	+		=	559
10.	440	+		=	803

Oefening 4
1.	238	+		=	384
2.	402	+		=	561
3.	265	+		=	382
4.	364	+		=	481
5.	376	+		=	681
6.	422	+		=	540
7.	441	+		=	634
8.	181	+		=	304
9.	418	+		=	773
10.	415	+		=	679

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	390	+	198	=	588
2.	440	+	260	=	700
3.	410	+	402	=	812
4.	363	+	187	=	550
5.	303	+	297	=	600
6.	500	+	242	=	742
7.	433	+	187	=	620
8.	458	+	371	=	829
9.	386	+	358	=	744
10.	302	+	110	=	412

Oefening 2
1.	440	+	359	=	799
2.	419	+	215	=	634
3.	451	+	206	=	657
4.	269	+	113	=	382
5.	404	+	349	=	753
6.	480	+	411	=	891
7.	258	+	166	=	424
8.	287	+	165	=	452
9.	270	+	185	=	455
10.	293	+	263	=	556

Oefening 3
1.	440	+	206	=	646
2.	330	+	183	=	513
3.	184	+	167	=	351
4.	445	+	138	=	583
5.	438	+	240	=	678
6.	317	+	157	=	474
7.	346	+	308	=	654
8.	485	+	434	=	919
9.	282	+	277	=	559
10.	440	+	363	=	803

Oefening 4
1.	238	+	146	=	384
2.	402	+	159	=	561
3.	265	+	117	=	382
4.	364	+	117	=	481
5.	376	+	305	=	681
6.	422	+	118	=	540
7.	441	+	193	=	634
8.	181	+	123	=	304
9.	418	+	355	=	773
10.	415	+	264	=	679