Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	302	+		=	439
2.	476	+		=	640
3.	303	+		=	600
4.	301	+		=	508
5.	421	+		=	641
6.	212	+		=	401
7.	428	+		=	694
8.	500	+		=	695
9.	268	+		=	523
10.	472	+		=	805

Oefening 2
1.	345	+		=	671
2.	447	+		=	641
3.	468	+		=	726
4.	451	+		=	586
5.	194	+		=	312
6.	469	+		=	813
7.	289	+		=	539
8.	299	+		=	524
9.	332	+		=	433
10.	381	+		=	714

Oefening 3
1.	497	+		=	760
2.	125	+		=	239
3.	412	+		=	762
4.	397	+		=	676
5.	463	+		=	643
6.	324	+		=	499
7.	461	+		=	601
8.	462	+		=	880
9.	499	+		=	859
10.	379	+		=	701

Oefening 4
1.	472	+		=	844
2.	468	+		=	887
3.	335	+		=	499
4.	452	+		=	679
5.	492	+		=	965
6.	364	+		=	498
7.	189	+		=	325
8.	414	+		=	601
9.	134	+		=	247
10.	479	+		=	810

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	302	+	137	=	439
2.	476	+	164	=	640
3.	303	+	297	=	600
4.	301	+	207	=	508
5.	421	+	220	=	641
6.	212	+	189	=	401
7.	428	+	266	=	694
8.	500	+	195	=	695
9.	268	+	255	=	523
10.	472	+	333	=	805

Oefening 2
1.	345	+	326	=	671
2.	447	+	194	=	641
3.	468	+	258	=	726
4.	451	+	135	=	586
5.	194	+	118	=	312
6.	469	+	344	=	813
7.	289	+	250	=	539
8.	299	+	225	=	524
9.	332	+	101	=	433
10.	381	+	333	=	714

Oefening 3
1.	497	+	263	=	760
2.	125	+	114	=	239
3.	412	+	350	=	762
4.	397	+	279	=	676
5.	463	+	180	=	643
6.	324	+	175	=	499
7.	461	+	140	=	601
8.	462	+	418	=	880
9.	499	+	360	=	859
10.	379	+	322	=	701

Oefening 4
1.	472	+	372	=	844
2.	468	+	419	=	887
3.	335	+	164	=	499
4.	452	+	227	=	679
5.	492	+	473	=	965
6.	364	+	134	=	498
7.	189	+	136	=	325
8.	414	+	187	=	601
9.	134	+	113	=	247
10.	479	+	331	=	810