Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	303	+		=	585
2.	323	+		=	492
3.	183	+		=	319
4.	443	+		=	790
5.	428	+		=	743
6.	418	+		=	825
7.	316	+		=	482
8.	375	+		=	645
9.	340	+		=	481
10.	413	+		=	610

Oefening 2
1.	339	+		=	460
2.	378	+		=	602
3.	261	+		=	440
4.	428	+		=	782
5.	498	+		=	753
6.	204	+		=	408
7.	454	+		=	625
8.	161	+		=	322
9.	393	+		=	532
10.	141	+		=	250

Oefening 3
1.	411	+		=	732
2.	442	+		=	798
3.	470	+		=	597
4.	375	+		=	478
5.	464	+		=	769
6.	499	+		=	879
7.	488	+		=	678
8.	468	+		=	856
9.	444	+		=	644
10.	261	+		=	391

Oefening 4
1.	487	+		=	617
2.	338	+		=	674
3.	180	+		=	289
4.	464	+		=	733
5.	408	+		=	777
6.	491	+		=	611
7.	333	+		=	523
8.	348	+		=	582
9.	192	+		=	373
10.	491	+		=	817

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	303	+	282	=	585
2.	323	+	169	=	492
3.	183	+	136	=	319
4.	443	+	347	=	790
5.	428	+	315	=	743
6.	418	+	407	=	825
7.	316	+	166	=	482
8.	375	+	270	=	645
9.	340	+	141	=	481
10.	413	+	197	=	610

Oefening 2
1.	339	+	121	=	460
2.	378	+	224	=	602
3.	261	+	179	=	440
4.	428	+	354	=	782
5.	498	+	255	=	753
6.	204	+	204	=	408
7.	454	+	171	=	625
8.	161	+	161	=	322
9.	393	+	139	=	532
10.	141	+	109	=	250

Oefening 3
1.	411	+	321	=	732
2.	442	+	356	=	798
3.	470	+	127	=	597
4.	375	+	103	=	478
5.	464	+	305	=	769
6.	499	+	380	=	879
7.	488	+	190	=	678
8.	468	+	388	=	856
9.	444	+	200	=	644
10.	261	+	130	=	391

Oefening 4
1.	487	+	130	=	617
2.	338	+	336	=	674
3.	180	+	109	=	289
4.	464	+	269	=	733
5.	408	+	369	=	777
6.	491	+	120	=	611
7.	333	+	190	=	523
8.	348	+	234	=	582
9.	192	+	181	=	373
10.	491	+	326	=	817