Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	386	+		=	488
2.	359	+		=	622
3.	400	+		=	672
4.	424	+		=	807
5.	423	+		=	615
6.	165	+		=	293
7.	243	+		=	476
8.	405	+		=	661
9.	350	+		=	470
10.	430	+		=	820

Oefening 2
1.	472	+		=	668
2.	420	+		=	529
3.	339	+		=	579
4.	364	+		=	475
5.	349	+		=	663
6.	350	+		=	681
7.	451	+		=	873
8.	496	+		=	734
9.	477	+		=	947
10.	405	+		=	802

Oefening 3
1.	361	+		=	511
2.	336	+		=	640
3.	491	+		=	712
4.	240	+		=	409
5.	488	+		=	804
6.	344	+		=	567
7.	200	+		=	381
8.	499	+		=	710
9.	430	+		=	834
10.	371	+		=	571

Oefening 4
1.	451	+		=	571
2.	198	+		=	346
3.	470	+		=	807
4.	382	+		=	573
5.	268	+		=	496
6.	239	+		=	452
7.	470	+		=	633
8.	416	+		=	617
9.	304	+		=	598
10.	228	+		=	399

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	386	+	102	=	488
2.	359	+	263	=	622
3.	400	+	272	=	672
4.	424	+	383	=	807
5.	423	+	192	=	615
6.	165	+	128	=	293
7.	243	+	233	=	476
8.	405	+	256	=	661
9.	350	+	120	=	470
10.	430	+	390	=	820

Oefening 2
1.	472	+	196	=	668
2.	420	+	109	=	529
3.	339	+	240	=	579
4.	364	+	111	=	475
5.	349	+	314	=	663
6.	350	+	331	=	681
7.	451	+	422	=	873
8.	496	+	238	=	734
9.	477	+	470	=	947
10.	405	+	397	=	802

Oefening 3
1.	361	+	150	=	511
2.	336	+	304	=	640
3.	491	+	221	=	712
4.	240	+	169	=	409
5.	488	+	316	=	804
6.	344	+	223	=	567
7.	200	+	181	=	381
8.	499	+	211	=	710
9.	430	+	404	=	834
10.	371	+	200	=	571

Oefening 4
1.	451	+	120	=	571
2.	198	+	148	=	346
3.	470	+	337	=	807
4.	382	+	191	=	573
5.	268	+	228	=	496
6.	239	+	213	=	452
7.	470	+	163	=	633
8.	416	+	201	=	617
9.	304	+	294	=	598
10.	228	+	171	=	399