Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	238	+		=	462
2.	427	+		=	792
3.	243	+		=	352
4.	474	+		=	713
5.	385	+		=	709
6.	359	+		=	609
7.	472	+		=	623
8.	362	+		=	494
9.	488	+		=	731
10.	275	+		=	444

Oefening 2
1.	399	+		=	702
2.	223	+		=	389
3.	477	+		=	687
4.	250	+		=	400
5.	371	+		=	544
6.	301	+		=	473
7.	288	+		=	441
8.	149	+		=	271
9.	427	+		=	561
10.	457	+		=	593

Oefening 3
1.	466	+		=	836
2.	413	+		=	725
3.	495	+		=	774
4.	473	+		=	799
5.	291	+		=	459
6.	475	+		=	862
7.	459	+		=	871
8.	468	+		=	656
9.	436	+		=	659
10.	167	+		=	278

Oefening 4
1.	443	+		=	556
2.	212	+		=	360
3.	393	+		=	757
4.	243	+		=	475
5.	334	+		=	649
6.	403	+		=	545
7.	433	+		=	833
8.	402	+		=	546
9.	289	+		=	529
10.	194	+		=	314

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	238	+	224	=	462
2.	427	+	365	=	792
3.	243	+	109	=	352
4.	474	+	239	=	713
5.	385	+	324	=	709
6.	359	+	250	=	609
7.	472	+	151	=	623
8.	362	+	132	=	494
9.	488	+	243	=	731
10.	275	+	169	=	444

Oefening 2
1.	399	+	303	=	702
2.	223	+	166	=	389
3.	477	+	210	=	687
4.	250	+	150	=	400
5.	371	+	173	=	544
6.	301	+	172	=	473
7.	288	+	153	=	441
8.	149	+	122	=	271
9.	427	+	134	=	561
10.	457	+	136	=	593

Oefening 3
1.	466	+	370	=	836
2.	413	+	312	=	725
3.	495	+	279	=	774
4.	473	+	326	=	799
5.	291	+	168	=	459
6.	475	+	387	=	862
7.	459	+	412	=	871
8.	468	+	188	=	656
9.	436	+	223	=	659
10.	167	+	111	=	278

Oefening 4
1.	443	+	113	=	556
2.	212	+	148	=	360
3.	393	+	364	=	757
4.	243	+	232	=	475
5.	334	+	315	=	649
6.	403	+	142	=	545
7.	433	+	400	=	833
8.	402	+	144	=	546
9.	289	+	240	=	529
10.	194	+	120	=	314