Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	352	+		=	615
2.	418	+		=	551
3.	286	+		=	413
4.	435	+		=	777
5.	390	+		=	718
6.	436	+		=	604
7.	329	+		=	514
8.	449	+		=	897
9.	246	+		=	363
10.	477	+		=	949

Oefening 2
1.	453	+		=	856
2.	203	+		=	323
3.	280	+		=	471
4.	300	+		=	485
5.	410	+		=	540
6.	269	+		=	386
7.	405	+		=	744
8.	288	+		=	575
9.	438	+		=	779
10.	482	+		=	946

Oefening 3
1.	399	+		=	693
2.	369	+		=	677
3.	169	+		=	326
4.	405	+		=	676
5.	399	+		=	665
6.	314	+		=	453
7.	286	+		=	452
8.	490	+		=	896
9.	463	+		=	632
10.	253	+		=	460

Oefening 4
1.	396	+		=	579
2.	336	+		=	444
3.	300	+		=	409
4.	315	+		=	530
5.	254	+		=	380
6.	464	+		=	845
7.	297	+		=	573
8.	401	+		=	692
9.	362	+		=	550
10.	463	+		=	751

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	352	+	263	=	615
2.	418	+	133	=	551
3.	286	+	127	=	413
4.	435	+	342	=	777
5.	390	+	328	=	718
6.	436	+	168	=	604
7.	329	+	185	=	514
8.	449	+	448	=	897
9.	246	+	117	=	363
10.	477	+	472	=	949

Oefening 2
1.	453	+	403	=	856
2.	203	+	120	=	323
3.	280	+	191	=	471
4.	300	+	185	=	485
5.	410	+	130	=	540
6.	269	+	117	=	386
7.	405	+	339	=	744
8.	288	+	287	=	575
9.	438	+	341	=	779
10.	482	+	464	=	946

Oefening 3
1.	399	+	294	=	693
2.	369	+	308	=	677
3.	169	+	157	=	326
4.	405	+	271	=	676
5.	399	+	266	=	665
6.	314	+	139	=	453
7.	286	+	166	=	452
8.	490	+	406	=	896
9.	463	+	169	=	632
10.	253	+	207	=	460

Oefening 4
1.	396	+	183	=	579
2.	336	+	108	=	444
3.	300	+	109	=	409
4.	315	+	215	=	530
5.	254	+	126	=	380
6.	464	+	381	=	845
7.	297	+	276	=	573
8.	401	+	291	=	692
9.	362	+	188	=	550
10.	463	+	288	=	751