Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	199	+		=	327
2.	422	+		=	540
3.	345	+		=	600
4.	441	+		=	850
5.	348	+		=	520
6.	391	+		=	756
7.	429	+		=	604
8.	465	+		=	861
9.	499	+		=	741
10.	325	+		=	517

Oefening 2
1.	296	+		=	566
2.	123	+		=	225
3.	252	+		=	482
4.	357	+		=	709
5.	229	+		=	429
6.	369	+		=	621
7.	293	+		=	470
8.	380	+		=	576
9.	471	+		=	686
10.	356	+		=	608

Oefening 3
1.	275	+		=	520
2.	439	+		=	876
3.	468	+		=	591
4.	353	+		=	644
5.	472	+		=	882
6.	400	+		=	618
7.	462	+		=	798
8.	195	+		=	327
9.	308	+		=	450
10.	352	+		=	666

Oefening 4
1.	442	+		=	641
2.	325	+		=	642
3.	470	+		=	717
4.	435	+		=	765
5.	395	+		=	727
6.	156	+		=	265
7.	322	+		=	487
8.	160	+		=	285
9.	377	+		=	707
10.	500	+		=	651

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	199	+	128	=	327
2.	422	+	118	=	540
3.	345	+	255	=	600
4.	441	+	409	=	850
5.	348	+	172	=	520
6.	391	+	365	=	756
7.	429	+	175	=	604
8.	465	+	396	=	861
9.	499	+	242	=	741
10.	325	+	192	=	517

Oefening 2
1.	296	+	270	=	566
2.	123	+	102	=	225
3.	252	+	230	=	482
4.	357	+	352	=	709
5.	229	+	200	=	429
6.	369	+	252	=	621
7.	293	+	177	=	470
8.	380	+	196	=	576
9.	471	+	215	=	686
10.	356	+	252	=	608

Oefening 3
1.	275	+	245	=	520
2.	439	+	437	=	876
3.	468	+	123	=	591
4.	353	+	291	=	644
5.	472	+	410	=	882
6.	400	+	218	=	618
7.	462	+	336	=	798
8.	195	+	132	=	327
9.	308	+	142	=	450
10.	352	+	314	=	666

Oefening 4
1.	442	+	199	=	641
2.	325	+	317	=	642
3.	470	+	247	=	717
4.	435	+	330	=	765
5.	395	+	332	=	727
6.	156	+	109	=	265
7.	322	+	165	=	487
8.	160	+	125	=	285
9.	377	+	330	=	707
10.	500	+	151	=	651