Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	318	+		=	424
2.	410	+		=	606
3.	429	+		=	796
4.	407	+		=	806
5.	212	+		=	374
6.	481	+		=	668
7.	234	+		=	445
8.	441	+		=	871
9.	454	+		=	772
10.	397	+		=	705

Oefening 2
1.	352	+		=	673
2.	143	+		=	253
3.	413	+		=	753
4.	174	+		=	343
5.	499	+		=	647
6.	347	+		=	608
7.	213	+		=	362
8.	309	+		=	445
9.	381	+		=	758
10.	352	+		=	618

Oefening 3
1.	429	+		=	600
2.	493	+		=	983
3.	408	+		=	590
4.	342	+		=	477
5.	404	+		=	751
6.	253	+		=	354
7.	259	+		=	381
8.	421	+		=	650
9.	449	+		=	664
10.	444	+		=	788

Oefening 4
1.	192	+		=	342
2.	162	+		=	320
3.	493	+		=	971
4.	498	+		=	643
5.	367	+		=	672
6.	362	+		=	490
7.	347	+		=	678
8.	473	+		=	756
9.	451	+		=	636
10.	463	+		=	769

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	318	+	106	=	424
2.	410	+	196	=	606
3.	429	+	367	=	796
4.	407	+	399	=	806
5.	212	+	162	=	374
6.	481	+	187	=	668
7.	234	+	211	=	445
8.	441	+	430	=	871
9.	454	+	318	=	772
10.	397	+	308	=	705

Oefening 2
1.	352	+	321	=	673
2.	143	+	110	=	253
3.	413	+	340	=	753
4.	174	+	169	=	343
5.	499	+	148	=	647
6.	347	+	261	=	608
7.	213	+	149	=	362
8.	309	+	136	=	445
9.	381	+	377	=	758
10.	352	+	266	=	618

Oefening 3
1.	429	+	171	=	600
2.	493	+	490	=	983
3.	408	+	182	=	590
4.	342	+	135	=	477
5.	404	+	347	=	751
6.	253	+	101	=	354
7.	259	+	122	=	381
8.	421	+	229	=	650
9.	449	+	215	=	664
10.	444	+	344	=	788

Oefening 4
1.	192	+	150	=	342
2.	162	+	158	=	320
3.	493	+	478	=	971
4.	498	+	145	=	643
5.	367	+	305	=	672
6.	362	+	128	=	490
7.	347	+	331	=	678
8.	473	+	283	=	756
9.	451	+	185	=	636
10.	463	+	306	=	769