Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	308	+		=	439
2.	217	+		=	329
3.	447	+		=	557
4.	244	+		=	449
5.	448	+		=	857
6.	300	+		=	433
7.	388	+		=	693
8.	449	+		=	805
9.	226	+		=	376
10.	487	+		=	749

Oefening 2
1.	499	+		=	665
2.	494	+		=	634
3.	453	+		=	840
4.	288	+		=	440
5.	240	+		=	401
6.	329	+		=	507
7.	364	+		=	609
8.	330	+		=	496
9.	436	+		=	658
10.	340	+		=	626

Oefening 3
1.	395	+		=	708
2.	410	+		=	568
3.	458	+		=	817
4.	450	+		=	715
5.	445	+		=	885
6.	244	+		=	431
7.	310	+		=	464
8.	216	+		=	324
9.	420	+		=	601
10.	481	+		=	843

Oefening 4
1.	414	+		=	714
2.	445	+		=	582
3.	436	+		=	654
4.	431	+		=	811
5.	301	+		=	458
6.	252	+		=	456
7.	201	+		=	338
8.	227	+		=	440
9.	303	+		=	519
10.	285	+		=	494

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	308	+	131	=	439
2.	217	+	112	=	329
3.	447	+	110	=	557
4.	244	+	205	=	449
5.	448	+	409	=	857
6.	300	+	133	=	433
7.	388	+	305	=	693
8.	449	+	356	=	805
9.	226	+	150	=	376
10.	487	+	262	=	749

Oefening 2
1.	499	+	166	=	665
2.	494	+	140	=	634
3.	453	+	387	=	840
4.	288	+	152	=	440
5.	240	+	161	=	401
6.	329	+	178	=	507
7.	364	+	245	=	609
8.	330	+	166	=	496
9.	436	+	222	=	658
10.	340	+	286	=	626

Oefening 3
1.	395	+	313	=	708
2.	410	+	158	=	568
3.	458	+	359	=	817
4.	450	+	265	=	715
5.	445	+	440	=	885
6.	244	+	187	=	431
7.	310	+	154	=	464
8.	216	+	108	=	324
9.	420	+	181	=	601
10.	481	+	362	=	843

Oefening 4
1.	414	+	300	=	714
2.	445	+	137	=	582
3.	436	+	218	=	654
4.	431	+	380	=	811
5.	301	+	157	=	458
6.	252	+	204	=	456
7.	201	+	137	=	338
8.	227	+	213	=	440
9.	303	+	216	=	519
10.	285	+	209	=	494