Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	221	+		=	385
2.	453	+		=	574
3.	416	+		=	726
4.	496	+		=	947
5.	373	+		=	676
6.	300	+		=	458
7.	368	+		=	621
8.	224	+		=	352
9.	443	+		=	826
10.	308	+		=	527

Oefening 2
1.	196	+		=	301
2.	234	+		=	388
3.	405	+		=	757
4.	443	+		=	816
5.	444	+		=	677
6.	477	+		=	950
7.	255	+		=	385
8.	276	+		=	412
9.	478	+		=	632
10.	489	+		=	862

Oefening 3
1.	447	+		=	837
2.	217	+		=	429
3.	279	+		=	513
4.	429	+		=	807
5.	375	+		=	730
6.	432	+		=	651
7.	307	+		=	522
8.	462	+		=	701
9.	448	+		=	867
10.	473	+		=	704

Oefening 4
1.	485	+		=	939
2.	472	+		=	922
3.	362	+		=	660
4.	249	+		=	393
5.	330	+		=	614
6.	293	+		=	511
7.	455	+		=	776
8.	392	+		=	738
9.	490	+		=	766
10.	325	+		=	621

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	221	+	164	=	385
2.	453	+	121	=	574
3.	416	+	310	=	726
4.	496	+	451	=	947
5.	373	+	303	=	676
6.	300	+	158	=	458
7.	368	+	253	=	621
8.	224	+	128	=	352
9.	443	+	383	=	826
10.	308	+	219	=	527

Oefening 2
1.	196	+	105	=	301
2.	234	+	154	=	388
3.	405	+	352	=	757
4.	443	+	373	=	816
5.	444	+	233	=	677
6.	477	+	473	=	950
7.	255	+	130	=	385
8.	276	+	136	=	412
9.	478	+	154	=	632
10.	489	+	373	=	862

Oefening 3
1.	447	+	390	=	837
2.	217	+	212	=	429
3.	279	+	234	=	513
4.	429	+	378	=	807
5.	375	+	355	=	730
6.	432	+	219	=	651
7.	307	+	215	=	522
8.	462	+	239	=	701
9.	448	+	419	=	867
10.	473	+	231	=	704

Oefening 4
1.	485	+	454	=	939
2.	472	+	450	=	922
3.	362	+	298	=	660
4.	249	+	144	=	393
5.	330	+	284	=	614
6.	293	+	218	=	511
7.	455	+	321	=	776
8.	392	+	346	=	738
9.	490	+	276	=	766
10.	325	+	296	=	621