Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	402	+		=	502
2.	404	+		=	761
3.	351	+		=	510
4.	201	+		=	387
5.	381	+		=	649
6.	395	+		=	601
7.	142	+		=	283
8.	360	+		=	692
9.	294	+		=	510
10.	217	+		=	429

Oefening 2
1.	379	+		=	705
2.	334	+		=	651
3.	403	+		=	647
4.	257	+		=	365
5.	414	+		=	790
6.	477	+		=	904
7.	476	+		=	945
8.	453	+		=	768
9.	385	+		=	634
10.	435	+		=	703

Oefening 3
1.	429	+		=	673
2.	401	+		=	549
3.	431	+		=	591
4.	231	+		=	413
5.	428	+		=	764
6.	363	+		=	510
7.	240	+		=	434
8.	224	+		=	409
9.	255	+		=	481
10.	494	+		=	757

Oefening 4
1.	489	+		=	827
2.	460	+		=	746
3.	397	+		=	754
4.	347	+		=	611
5.	486	+		=	930
6.	359	+		=	584
7.	430	+		=	576
8.	440	+		=	779
9.	329	+		=	578
10.	418	+		=	694

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	402	+	100	=	502
2.	404	+	357	=	761
3.	351	+	159	=	510
4.	201	+	186	=	387
5.	381	+	268	=	649
6.	395	+	206	=	601
7.	142	+	141	=	283
8.	360	+	332	=	692
9.	294	+	216	=	510
10.	217	+	212	=	429

Oefening 2
1.	379	+	326	=	705
2.	334	+	317	=	651
3.	403	+	244	=	647
4.	257	+	108	=	365
5.	414	+	376	=	790
6.	477	+	427	=	904
7.	476	+	469	=	945
8.	453	+	315	=	768
9.	385	+	249	=	634
10.	435	+	268	=	703

Oefening 3
1.	429	+	244	=	673
2.	401	+	148	=	549
3.	431	+	160	=	591
4.	231	+	182	=	413
5.	428	+	336	=	764
6.	363	+	147	=	510
7.	240	+	194	=	434
8.	224	+	185	=	409
9.	255	+	226	=	481
10.	494	+	263	=	757

Oefening 4
1.	489	+	338	=	827
2.	460	+	286	=	746
3.	397	+	357	=	754
4.	347	+	264	=	611
5.	486	+	444	=	930
6.	359	+	225	=	584
7.	430	+	146	=	576
8.	440	+	339	=	779
9.	329	+	249	=	578
10.	418	+	276	=	694