Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	468	+		=	787
2.	285	+		=	397
3.	486	+		=	749
4.	385	+		=	714
5.	340	+		=	578
6.	451	+		=	900
7.	380	+		=	673
8.	500	+		=	889
9.	488	+		=	680
10.	354	+		=	579

Oefening 2
1.	420	+		=	679
2.	340	+		=	502
3.	438	+		=	567
4.	391	+		=	545
5.	324	+		=	564
6.	231	+		=	459
7.	457	+		=	587
8.	469	+		=	905
9.	483	+		=	827
10.	362	+		=	547

Oefening 3
1.	460	+		=	912
2.	312	+		=	586
3.	493	+		=	648
4.	276	+		=	504
5.	419	+		=	822
6.	455	+		=	767
7.	385	+		=	755
8.	268	+		=	394
9.	261	+		=	404
10.	272	+		=	461

Oefening 4
1.	485	+		=	862
2.	489	+		=	808
3.	257	+		=	456
4.	404	+		=	734
5.	151	+		=	272
6.	361	+		=	599
7.	443	+		=	744
8.	199	+		=	348
9.	354	+		=	516
10.	287	+		=	504

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	468	+	319	=	787
2.	285	+	112	=	397
3.	486	+	263	=	749
4.	385	+	329	=	714
5.	340	+	238	=	578
6.	451	+	449	=	900
7.	380	+	293	=	673
8.	500	+	389	=	889
9.	488	+	192	=	680
10.	354	+	225	=	579

Oefening 2
1.	420	+	259	=	679
2.	340	+	162	=	502
3.	438	+	129	=	567
4.	391	+	154	=	545
5.	324	+	240	=	564
6.	231	+	228	=	459
7.	457	+	130	=	587
8.	469	+	436	=	905
9.	483	+	344	=	827
10.	362	+	185	=	547

Oefening 3
1.	460	+	452	=	912
2.	312	+	274	=	586
3.	493	+	155	=	648
4.	276	+	228	=	504
5.	419	+	403	=	822
6.	455	+	312	=	767
7.	385	+	370	=	755
8.	268	+	126	=	394
9.	261	+	143	=	404
10.	272	+	189	=	461

Oefening 4
1.	485	+	377	=	862
2.	489	+	319	=	808
3.	257	+	199	=	456
4.	404	+	330	=	734
5.	151	+	121	=	272
6.	361	+	238	=	599
7.	443	+	301	=	744
8.	199	+	149	=	348
9.	354	+	162	=	516
10.	287	+	217	=	504