Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	451	+		=	738
2.	498	+		=	707
3.	294	+		=	573
4.	164	+		=	304
5.	458	+		=	787
6.	357	+		=	585
7.	226	+		=	381
8.	152	+		=	277
9.	375	+		=	586
10.	467	+		=	691

Oefening 2
1.	494	+		=	765
2.	472	+		=	669
3.	460	+		=	666
4.	218	+		=	382
5.	393	+		=	505
6.	256	+		=	359
7.	181	+		=	307
8.	356	+		=	593
9.	403	+		=	803
10.	409	+		=	740

Oefening 3
1.	412	+		=	560
2.	457	+		=	589
3.	257	+		=	364
4.	270	+		=	410
5.	346	+		=	654
6.	396	+		=	579
7.	242	+		=	427
8.	296	+		=	418
9.	397	+		=	662
10.	402	+		=	688

Oefening 4
1.	485	+		=	887
2.	181	+		=	345
3.	298	+		=	539
4.	371	+		=	733
5.	394	+		=	524
6.	442	+		=	876
7.	216	+		=	383
8.	434	+		=	673
9.	148	+		=	286
10.	270	+		=	379

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	451	+	287	=	738
2.	498	+	209	=	707
3.	294	+	279	=	573
4.	164	+	140	=	304
5.	458	+	329	=	787
6.	357	+	228	=	585
7.	226	+	155	=	381
8.	152	+	125	=	277
9.	375	+	211	=	586
10.	467	+	224	=	691

Oefening 2
1.	494	+	271	=	765
2.	472	+	197	=	669
3.	460	+	206	=	666
4.	218	+	164	=	382
5.	393	+	112	=	505
6.	256	+	103	=	359
7.	181	+	126	=	307
8.	356	+	237	=	593
9.	403	+	400	=	803
10.	409	+	331	=	740

Oefening 3
1.	412	+	148	=	560
2.	457	+	132	=	589
3.	257	+	107	=	364
4.	270	+	140	=	410
5.	346	+	308	=	654
6.	396	+	183	=	579
7.	242	+	185	=	427
8.	296	+	122	=	418
9.	397	+	265	=	662
10.	402	+	286	=	688

Oefening 4
1.	485	+	402	=	887
2.	181	+	164	=	345
3.	298	+	241	=	539
4.	371	+	362	=	733
5.	394	+	130	=	524
6.	442	+	434	=	876
7.	216	+	167	=	383
8.	434	+	239	=	673
9.	148	+	138	=	286
10.	270	+	109	=	379