Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	187	+		=	359
2.	468	+		=	646
3.	287	+		=	426
4.	334	+		=	568
5.	486	+		=	971
6.	462	+		=	901
7.	396	+		=	557
8.	436	+		=	730
9.	361	+		=	509
10.	366	+		=	503

Oefening 2
1.	321	+		=	621
2.	350	+		=	469
3.	380	+		=	717
4.	288	+		=	418
5.	453	+		=	630
6.	471	+		=	903
7.	499	+		=	617
8.	289	+		=	494
9.	449	+		=	640
10.	438	+		=	588

Oefening 3
1.	388	+		=	716
2.	176	+		=	349
3.	150	+		=	298
4.	346	+		=	458
5.	422	+		=	816
6.	339	+		=	660
7.	198	+		=	325
8.	346	+		=	683
9.	477	+		=	673
10.	422	+		=	625

Oefening 4
1.	244	+		=	470
2.	406	+		=	657
3.	421	+		=	765
4.	286	+		=	404
5.	363	+		=	622
6.	477	+		=	623
7.	319	+		=	605
8.	396	+		=	542
9.	386	+		=	531
10.	376	+		=	611

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	187	+	172	=	359
2.	468	+	178	=	646
3.	287	+	139	=	426
4.	334	+	234	=	568
5.	486	+	485	=	971
6.	462	+	439	=	901
7.	396	+	161	=	557
8.	436	+	294	=	730
9.	361	+	148	=	509
10.	366	+	137	=	503

Oefening 2
1.	321	+	300	=	621
2.	350	+	119	=	469
3.	380	+	337	=	717
4.	288	+	130	=	418
5.	453	+	177	=	630
6.	471	+	432	=	903
7.	499	+	118	=	617
8.	289	+	205	=	494
9.	449	+	191	=	640
10.	438	+	150	=	588

Oefening 3
1.	388	+	328	=	716
2.	176	+	173	=	349
3.	150	+	148	=	298
4.	346	+	112	=	458
5.	422	+	394	=	816
6.	339	+	321	=	660
7.	198	+	127	=	325
8.	346	+	337	=	683
9.	477	+	196	=	673
10.	422	+	203	=	625

Oefening 4
1.	244	+	226	=	470
2.	406	+	251	=	657
3.	421	+	344	=	765
4.	286	+	118	=	404
5.	363	+	259	=	622
6.	477	+	146	=	623
7.	319	+	286	=	605
8.	396	+	146	=	542
9.	386	+	145	=	531
10.	376	+	235	=	611