Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	339	+		=	672
2.	355	+		=	499
3.	356	+		=	466
4.	268	+		=	450
5.	240	+		=	456
6.	434	+		=	729
7.	400	+		=	521
8.	229	+		=	375
9.	391	+		=	533
10.	455	+		=	794

Oefening 2
1.	459	+		=	879
2.	284	+		=	505
3.	301	+		=	544
4.	490	+		=	865
5.	439	+		=	619
6.	462	+		=	673
7.	395	+		=	534
8.	349	+		=	580
9.	461	+		=	657
10.	442	+		=	559

Oefening 3
1.	461	+		=	889
2.	256	+		=	370
3.	456	+		=	749
4.	418	+		=	760
5.	231	+		=	416
6.	150	+		=	263
7.	319	+		=	599
8.	408	+		=	681
9.	497	+		=	914
10.	479	+		=	646

Oefening 4
1.	234	+		=	458
2.	498	+		=	975
3.	257	+		=	368
4.	384	+		=	716
5.	462	+		=	890
6.	231	+		=	357
7.	474	+		=	895
8.	467	+		=	738
9.	362	+		=	700
10.	480	+		=	934

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	339	+	333	=	672
2.	355	+	144	=	499
3.	356	+	110	=	466
4.	268	+	182	=	450
5.	240	+	216	=	456
6.	434	+	295	=	729
7.	400	+	121	=	521
8.	229	+	146	=	375
9.	391	+	142	=	533
10.	455	+	339	=	794

Oefening 2
1.	459	+	420	=	879
2.	284	+	221	=	505
3.	301	+	243	=	544
4.	490	+	375	=	865
5.	439	+	180	=	619
6.	462	+	211	=	673
7.	395	+	139	=	534
8.	349	+	231	=	580
9.	461	+	196	=	657
10.	442	+	117	=	559

Oefening 3
1.	461	+	428	=	889
2.	256	+	114	=	370
3.	456	+	293	=	749
4.	418	+	342	=	760
5.	231	+	185	=	416
6.	150	+	113	=	263
7.	319	+	280	=	599
8.	408	+	273	=	681
9.	497	+	417	=	914
10.	479	+	167	=	646

Oefening 4
1.	234	+	224	=	458
2.	498	+	477	=	975
3.	257	+	111	=	368
4.	384	+	332	=	716
5.	462	+	428	=	890
6.	231	+	126	=	357
7.	474	+	421	=	895
8.	467	+	271	=	738
9.	362	+	338	=	700
10.	480	+	454	=	934