Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	400	+		=	540
2.	467	+		=	849
3.	413	+		=	770
4.	239	+		=	449
5.	399	+		=	666
6.	422	+		=	664
7.	309	+		=	448
8.	253	+		=	436
9.	492	+		=	964
10.	247	+		=	397

Oefening 2
1.	493	+		=	812
2.	448	+		=	800
3.	443	+		=	848
4.	437	+		=	576
5.	196	+		=	312
6.	147	+		=	249
7.	265	+		=	511
8.	406	+		=	779
9.	190	+		=	353
10.	337	+		=	582

Oefening 3
1.	212	+		=	336
2.	375	+		=	702
3.	228	+		=	380
4.	411	+		=	601
5.	208	+		=	402
6.	307	+		=	518
7.	318	+		=	563
8.	283	+		=	470
9.	433	+		=	629
10.	420	+		=	812

Oefening 4
1.	484	+		=	801
2.	403	+		=	601
3.	199	+		=	303
4.	403	+		=	551
5.	471	+		=	662
6.	450	+		=	804
7.	238	+		=	382
8.	137	+		=	245
9.	160	+		=	290
10.	400	+		=	594

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	400	+	140	=	540
2.	467	+	382	=	849
3.	413	+	357	=	770
4.	239	+	210	=	449
5.	399	+	267	=	666
6.	422	+	242	=	664
7.	309	+	139	=	448
8.	253	+	183	=	436
9.	492	+	472	=	964
10.	247	+	150	=	397

Oefening 2
1.	493	+	319	=	812
2.	448	+	352	=	800
3.	443	+	405	=	848
4.	437	+	139	=	576
5.	196	+	116	=	312
6.	147	+	102	=	249
7.	265	+	246	=	511
8.	406	+	373	=	779
9.	190	+	163	=	353
10.	337	+	245	=	582

Oefening 3
1.	212	+	124	=	336
2.	375	+	327	=	702
3.	228	+	152	=	380
4.	411	+	190	=	601
5.	208	+	194	=	402
6.	307	+	211	=	518
7.	318	+	245	=	563
8.	283	+	187	=	470
9.	433	+	196	=	629
10.	420	+	392	=	812

Oefening 4
1.	484	+	317	=	801
2.	403	+	198	=	601
3.	199	+	104	=	303
4.	403	+	148	=	551
5.	471	+	191	=	662
6.	450	+	354	=	804
7.	238	+	144	=	382
8.	137	+	108	=	245
9.	160	+	130	=	290
10.	400	+	194	=	594