Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	208	+		=	399
2.	403	+		=	515
3.	162	+		=	265
4.	493	+		=	764
5.	465	+		=	896
6.	481	+		=	883
7.	485	+		=	659
8.	430	+		=	784
9.	243	+		=	379
10.	441	+		=	670

Oefening 2
1.	176	+		=	296
2.	460	+		=	655
3.	492	+		=	724
4.	179	+		=	291
5.	307	+		=	408
6.	242	+		=	358
7.	483	+		=	816
8.	209	+		=	323
9.	331	+		=	471
10.	142	+		=	271

Oefening 3
1.	266	+		=	410
2.	494	+		=	961
3.	431	+		=	731
4.	474	+		=	800
5.	337	+		=	543
6.	307	+		=	459
7.	251	+		=	399
8.	341	+		=	518
9.	408	+		=	803
10.	452	+		=	602

Oefening 4
1.	425	+		=	756
2.	485	+		=	681
3.	392	+		=	756
4.	449	+		=	611
5.	435	+		=	820
6.	344	+		=	667
7.	365	+		=	651
8.	382	+		=	641
9.	499	+		=	666
10.	280	+		=	396

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	208	+	191	=	399
2.	403	+	112	=	515
3.	162	+	103	=	265
4.	493	+	271	=	764
5.	465	+	431	=	896
6.	481	+	402	=	883
7.	485	+	174	=	659
8.	430	+	354	=	784
9.	243	+	136	=	379
10.	441	+	229	=	670

Oefening 2
1.	176	+	120	=	296
2.	460	+	195	=	655
3.	492	+	232	=	724
4.	179	+	112	=	291
5.	307	+	101	=	408
6.	242	+	116	=	358
7.	483	+	333	=	816
8.	209	+	114	=	323
9.	331	+	140	=	471
10.	142	+	129	=	271

Oefening 3
1.	266	+	144	=	410
2.	494	+	467	=	961
3.	431	+	300	=	731
4.	474	+	326	=	800
5.	337	+	206	=	543
6.	307	+	152	=	459
7.	251	+	148	=	399
8.	341	+	177	=	518
9.	408	+	395	=	803
10.	452	+	150	=	602

Oefening 4
1.	425	+	331	=	756
2.	485	+	196	=	681
3.	392	+	364	=	756
4.	449	+	162	=	611
5.	435	+	385	=	820
6.	344	+	323	=	667
7.	365	+	286	=	651
8.	382	+	259	=	641
9.	499	+	167	=	666
10.	280	+	116	=	396