Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	487	+		=	946
2.	418	+		=	522
3.	463	+		=	565
4.	405	+		=	688
5.	339	+		=	512
6.	460	+		=	695
7.	253	+		=	413
8.	262	+		=	453
9.	403	+		=	535
10.	132	+		=	251

Oefening 2
1.	339	+		=	631
2.	486	+		=	726
3.	344	+		=	616
4.	347	+		=	661
5.	240	+		=	340
6.	450	+		=	658
7.	300	+		=	561
8.	428	+		=	589
9.	294	+		=	488
10.	326	+		=	644

Oefening 3
1.	254	+		=	439
2.	286	+		=	404
3.	269	+		=	396
4.	470	+		=	678
5.	265	+		=	443
6.	276	+		=	481
7.	472	+		=	740
8.	472	+		=	632
9.	342	+		=	505
10.	310	+		=	613

Oefening 4
1.	299	+		=	542
2.	348	+		=	674
3.	216	+		=	341
4.	292	+		=	569
5.	323	+		=	490
6.	283	+		=	461
7.	209	+		=	365
8.	451	+		=	885
9.	356	+		=	525
10.	155	+		=	295

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	487	+	459	=	946
2.	418	+	104	=	522
3.	463	+	102	=	565
4.	405	+	283	=	688
5.	339	+	173	=	512
6.	460	+	235	=	695
7.	253	+	160	=	413
8.	262	+	191	=	453
9.	403	+	132	=	535
10.	132	+	119	=	251

Oefening 2
1.	339	+	292	=	631
2.	486	+	240	=	726
3.	344	+	272	=	616
4.	347	+	314	=	661
5.	240	+	100	=	340
6.	450	+	208	=	658
7.	300	+	261	=	561
8.	428	+	161	=	589
9.	294	+	194	=	488
10.	326	+	318	=	644

Oefening 3
1.	254	+	185	=	439
2.	286	+	118	=	404
3.	269	+	127	=	396
4.	470	+	208	=	678
5.	265	+	178	=	443
6.	276	+	205	=	481
7.	472	+	268	=	740
8.	472	+	160	=	632
9.	342	+	163	=	505
10.	310	+	303	=	613

Oefening 4
1.	299	+	243	=	542
2.	348	+	326	=	674
3.	216	+	125	=	341
4.	292	+	277	=	569
5.	323	+	167	=	490
6.	283	+	178	=	461
7.	209	+	156	=	365
8.	451	+	434	=	885
9.	356	+	169	=	525
10.	155	+	140	=	295