Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	484	+		=	813
2.	477	+		=	626
3.	321	+		=	624
4.	471	+		=	711
5.	499	+		=	654
6.	382	+		=	533
7.	484	+		=	861
8.	439	+		=	855
9.	315	+		=	559
10.	418	+		=	788

Oefening 2
1.	289	+		=	435
2.	388	+		=	501
3.	385	+		=	527
4.	447	+		=	636
5.	417	+		=	813
6.	416	+		=	728
7.	391	+		=	678
8.	177	+		=	297
9.	411	+		=	553
10.	240	+		=	441

Oefening 3
1.	324	+		=	575
2.	436	+		=	628
3.	209	+		=	364
4.	240	+		=	464
5.	466	+		=	891
6.	308	+		=	549
7.	259	+		=	433
8.	488	+		=	742
9.	453	+		=	731
10.	463	+		=	716

Oefening 4
1.	155	+		=	291
2.	326	+		=	506
3.	459	+		=	683
4.	391	+		=	766
5.	383	+		=	486
6.	319	+		=	456
7.	475	+		=	616
8.	418	+		=	825
9.	296	+		=	495
10.	471	+		=	635

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	484	+	329	=	813
2.	477	+	149	=	626
3.	321	+	303	=	624
4.	471	+	240	=	711
5.	499	+	155	=	654
6.	382	+	151	=	533
7.	484	+	377	=	861
8.	439	+	416	=	855
9.	315	+	244	=	559
10.	418	+	370	=	788

Oefening 2
1.	289	+	146	=	435
2.	388	+	113	=	501
3.	385	+	142	=	527
4.	447	+	189	=	636
5.	417	+	396	=	813
6.	416	+	312	=	728
7.	391	+	287	=	678
8.	177	+	120	=	297
9.	411	+	142	=	553
10.	240	+	201	=	441

Oefening 3
1.	324	+	251	=	575
2.	436	+	192	=	628
3.	209	+	155	=	364
4.	240	+	224	=	464
5.	466	+	425	=	891
6.	308	+	241	=	549
7.	259	+	174	=	433
8.	488	+	254	=	742
9.	453	+	278	=	731
10.	463	+	253	=	716

Oefening 4
1.	155	+	136	=	291
2.	326	+	180	=	506
3.	459	+	224	=	683
4.	391	+	375	=	766
5.	383	+	103	=	486
6.	319	+	137	=	456
7.	475	+	141	=	616
8.	418	+	407	=	825
9.	296	+	199	=	495
10.	471	+	164	=	635