Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	380	+		=	576
2.	398	+		=	540
3.	238	+		=	423
4.	489	+		=	610
5.	159	+		=	281
6.	332	+		=	580
7.	385	+		=	498
8.	275	+		=	442
9.	497	+		=	950
10.	458	+		=	762

Oefening 2
1.	496	+		=	741
2.	389	+		=	777
3.	407	+		=	655
4.	391	+		=	766
5.	416	+		=	578
6.	455	+		=	668
7.	325	+		=	471
8.	219	+		=	406
9.	324	+		=	583
10.	425	+		=	848

Oefening 3
1.	398	+		=	702
2.	353	+		=	657
3.	279	+		=	546
4.	447	+		=	766
5.	455	+		=	759
6.	498	+		=	771
7.	383	+		=	746
8.	488	+		=	673
9.	406	+		=	780
10.	349	+		=	488

Oefening 4
1.	392	+		=	770
2.	285	+		=	529
3.	345	+		=	613
4.	475	+		=	931
5.	330	+		=	598
6.	392	+		=	756
7.	233	+		=	425
8.	263	+		=	496
9.	475	+		=	788
10.	345	+		=	621

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	380	+	196	=	576
2.	398	+	142	=	540
3.	238	+	185	=	423
4.	489	+	121	=	610
5.	159	+	122	=	281
6.	332	+	248	=	580
7.	385	+	113	=	498
8.	275	+	167	=	442
9.	497	+	453	=	950
10.	458	+	304	=	762

Oefening 2
1.	496	+	245	=	741
2.	389	+	388	=	777
3.	407	+	248	=	655
4.	391	+	375	=	766
5.	416	+	162	=	578
6.	455	+	213	=	668
7.	325	+	146	=	471
8.	219	+	187	=	406
9.	324	+	259	=	583
10.	425	+	423	=	848

Oefening 3
1.	398	+	304	=	702
2.	353	+	304	=	657
3.	279	+	267	=	546
4.	447	+	319	=	766
5.	455	+	304	=	759
6.	498	+	273	=	771
7.	383	+	363	=	746
8.	488	+	185	=	673
9.	406	+	374	=	780
10.	349	+	139	=	488

Oefening 4
1.	392	+	378	=	770
2.	285	+	244	=	529
3.	345	+	268	=	613
4.	475	+	456	=	931
5.	330	+	268	=	598
6.	392	+	364	=	756
7.	233	+	192	=	425
8.	263	+	233	=	496
9.	475	+	313	=	788
10.	345	+	276	=	621