Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	142	+		=	258
2.	278	+		=	379
3.	314	+		=	443
4.	485	+		=	591
5.	348	+		=	648
6.	390	+		=	722
7.	147	+		=	289
8.	371	+		=	547
9.	274	+		=	389
10.	321	+		=	581

Oefening 2
1.	440	+		=	824
2.	333	+		=	661
3.	424	+		=	582
4.	443	+		=	617
5.	351	+		=	639
6.	395	+		=	604
7.	447	+		=	657
8.	487	+		=	960
9.	355	+		=	549
10.	387	+		=	672

Oefening 3
1.	468	+		=	767
2.	372	+		=	525
3.	464	+		=	899
4.	219	+		=	345
5.	303	+		=	589
6.	322	+		=	548
7.	484	+		=	601
8.	278	+		=	402
9.	325	+		=	466
10.	266	+		=	376

Oefening 4
1.	449	+		=	610
2.	451	+		=	592
3.	423	+		=	845
4.	365	+		=	525
5.	391	+		=	663
6.	467	+		=	670
7.	345	+		=	521
8.	450	+		=	644
9.	454	+		=	783
10.	465	+		=	673

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	142	+	116	=	258
2.	278	+	101	=	379
3.	314	+	129	=	443
4.	485	+	106	=	591
5.	348	+	300	=	648
6.	390	+	332	=	722
7.	147	+	142	=	289
8.	371	+	176	=	547
9.	274	+	115	=	389
10.	321	+	260	=	581

Oefening 2
1.	440	+	384	=	824
2.	333	+	328	=	661
3.	424	+	158	=	582
4.	443	+	174	=	617
5.	351	+	288	=	639
6.	395	+	209	=	604
7.	447	+	210	=	657
8.	487	+	473	=	960
9.	355	+	194	=	549
10.	387	+	285	=	672

Oefening 3
1.	468	+	299	=	767
2.	372	+	153	=	525
3.	464	+	435	=	899
4.	219	+	126	=	345
5.	303	+	286	=	589
6.	322	+	226	=	548
7.	484	+	117	=	601
8.	278	+	124	=	402
9.	325	+	141	=	466
10.	266	+	110	=	376

Oefening 4
1.	449	+	161	=	610
2.	451	+	141	=	592
3.	423	+	422	=	845
4.	365	+	160	=	525
5.	391	+	272	=	663
6.	467	+	203	=	670
7.	345	+	176	=	521
8.	450	+	194	=	644
9.	454	+	329	=	783
10.	465	+	208	=	673