Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	487	+		=	620
2.	278	+		=	461
3.	400	+		=	693
4.	185	+		=	323
5.	383	+		=	688
6.	447	+		=	733
7.	321	+		=	594
8.	390	+		=	683
9.	491	+		=	733
10.	164	+		=	328

Oefening 2
1.	418	+		=	571
2.	486	+		=	873
3.	410	+		=	685
4.	310	+		=	425
5.	382	+		=	578
6.	273	+		=	486
7.	418	+		=	598
8.	462	+		=	582
9.	282	+		=	434
10.	392	+		=	779

Oefening 3
1.	276	+		=	386
2.	418	+		=	744
3.	376	+		=	708
4.	357	+		=	477
5.	479	+		=	870
6.	442	+		=	745
7.	464	+		=	806
8.	467	+		=	746
9.	291	+		=	462
10.	441	+		=	561

Oefening 4
1.	380	+		=	734
2.	492	+		=	778
3.	424	+		=	593
4.	241	+		=	412
5.	419	+		=	600
6.	404	+		=	726
7.	371	+		=	664
8.	487	+		=	720
9.	400	+		=	651
10.	465	+		=	591

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	487	+	133	=	620
2.	278	+	183	=	461
3.	400	+	293	=	693
4.	185	+	138	=	323
5.	383	+	305	=	688
6.	447	+	286	=	733
7.	321	+	273	=	594
8.	390	+	293	=	683
9.	491	+	242	=	733
10.	164	+	164	=	328

Oefening 2
1.	418	+	153	=	571
2.	486	+	387	=	873
3.	410	+	275	=	685
4.	310	+	115	=	425
5.	382	+	196	=	578
6.	273	+	213	=	486
7.	418	+	180	=	598
8.	462	+	120	=	582
9.	282	+	152	=	434
10.	392	+	387	=	779

Oefening 3
1.	276	+	110	=	386
2.	418	+	326	=	744
3.	376	+	332	=	708
4.	357	+	120	=	477
5.	479	+	391	=	870
6.	442	+	303	=	745
7.	464	+	342	=	806
8.	467	+	279	=	746
9.	291	+	171	=	462
10.	441	+	120	=	561

Oefening 4
1.	380	+	354	=	734
2.	492	+	286	=	778
3.	424	+	169	=	593
4.	241	+	171	=	412
5.	419	+	181	=	600
6.	404	+	322	=	726
7.	371	+	293	=	664
8.	487	+	233	=	720
9.	400	+	251	=	651
10.	465	+	126	=	591