Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	303	+		=	523
2.	144	+		=	258
3.	321	+		=	443
4.	394	+		=	776
5.	379	+		=	494
6.	305	+		=	555
7.	355	+		=	677
8.	374	+		=	607
9.	291	+		=	432
10.	423	+		=	544

Oefening 2
1.	485	+		=	592
2.	148	+		=	265
3.	456	+		=	634
4.	381	+		=	587
5.	461	+		=	904
6.	262	+		=	497
7.	210	+		=	355
8.	438	+		=	727
9.	404	+		=	527
10.	270	+		=	492

Oefening 3
1.	368	+		=	605
2.	500	+		=	811
3.	454	+		=	626
4.	357	+		=	597
5.	212	+		=	317
6.	404	+		=	777
7.	449	+		=	550
8.	344	+		=	611
9.	372	+		=	596
10.	464	+		=	889

Oefening 4
1.	500	+		=	901
2.	330	+		=	445
3.	367	+		=	483
4.	316	+		=	563
5.	328	+		=	522
6.	448	+		=	571
7.	469	+		=	771
8.	200	+		=	371
9.	371	+		=	654
10.	443	+		=	861

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	303	+	220	=	523
2.	144	+	114	=	258
3.	321	+	122	=	443
4.	394	+	382	=	776
5.	379	+	115	=	494
6.	305	+	250	=	555
7.	355	+	322	=	677
8.	374	+	233	=	607
9.	291	+	141	=	432
10.	423	+	121	=	544

Oefening 2
1.	485	+	107	=	592
2.	148	+	117	=	265
3.	456	+	178	=	634
4.	381	+	206	=	587
5.	461	+	443	=	904
6.	262	+	235	=	497
7.	210	+	145	=	355
8.	438	+	289	=	727
9.	404	+	123	=	527
10.	270	+	222	=	492

Oefening 3
1.	368	+	237	=	605
2.	500	+	311	=	811
3.	454	+	172	=	626
4.	357	+	240	=	597
5.	212	+	105	=	317
6.	404	+	373	=	777
7.	449	+	101	=	550
8.	344	+	267	=	611
9.	372	+	224	=	596
10.	464	+	425	=	889

Oefening 4
1.	500	+	401	=	901
2.	330	+	115	=	445
3.	367	+	116	=	483
4.	316	+	247	=	563
5.	328	+	194	=	522
6.	448	+	123	=	571
7.	469	+	302	=	771
8.	200	+	171	=	371
9.	371	+	283	=	654
10.	443	+	418	=	861