Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	397	+		=	570
2.	280	+		=	390
3.	269	+		=	521
4.	215	+		=	428
5.	475	+		=	582
6.	306	+		=	604
7.	479	+		=	665
8.	256	+		=	483
9.	446	+		=	857
10.	396	+		=	740

Oefening 2
1.	438	+		=	598
2.	403	+		=	584
3.	406	+		=	780
4.	277	+		=	527
5.	465	+		=	789
6.	399	+		=	634
7.	348	+		=	494
8.	455	+		=	562
9.	492	+		=	957
10.	274	+		=	524

Oefening 3
1.	315	+		=	550
2.	447	+		=	586
3.	328	+		=	514
4.	199	+		=	319
5.	358	+		=	617
6.	262	+		=	382
7.	156	+		=	276
8.	260	+		=	491
9.	471	+		=	795
10.	478	+		=	632

Oefening 4
1.	303	+		=	516
2.	343	+		=	638
3.	401	+		=	705
4.	462	+		=	567
5.	414	+		=	629
6.	374	+		=	698
7.	354	+		=	626
8.	443	+		=	592
9.	443	+		=	607
10.	478	+		=	880

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	397	+	173	=	570
2.	280	+	110	=	390
3.	269	+	252	=	521
4.	215	+	213	=	428
5.	475	+	107	=	582
6.	306	+	298	=	604
7.	479	+	186	=	665
8.	256	+	227	=	483
9.	446	+	411	=	857
10.	396	+	344	=	740

Oefening 2
1.	438	+	160	=	598
2.	403	+	181	=	584
3.	406	+	374	=	780
4.	277	+	250	=	527
5.	465	+	324	=	789
6.	399	+	235	=	634
7.	348	+	146	=	494
8.	455	+	107	=	562
9.	492	+	465	=	957
10.	274	+	250	=	524

Oefening 3
1.	315	+	235	=	550
2.	447	+	139	=	586
3.	328	+	186	=	514
4.	199	+	120	=	319
5.	358	+	259	=	617
6.	262	+	120	=	382
7.	156	+	120	=	276
8.	260	+	231	=	491
9.	471	+	324	=	795
10.	478	+	154	=	632

Oefening 4
1.	303	+	213	=	516
2.	343	+	295	=	638
3.	401	+	304	=	705
4.	462	+	105	=	567
5.	414	+	215	=	629
6.	374	+	324	=	698
7.	354	+	272	=	626
8.	443	+	149	=	592
9.	443	+	164	=	607
10.	478	+	402	=	880