Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	371	+		=	708
2.	458	+		=	688
3.	403	+		=	569
4.	323	+		=	606
5.	297	+		=	542
6.	130	+		=	239
7.	287	+		=	518
8.	271	+		=	382
9.	242	+		=	405
10.	229	+		=	372

Oefening 2
1.	389	+		=	629
2.	421	+		=	778
3.	436	+		=	720
4.	356	+		=	550
5.	417	+		=	799
6.	301	+		=	516
7.	149	+		=	285
8.	491	+		=	785
9.	331	+		=	431
10.	374	+		=	567

Oefening 3
1.	428	+		=	604
2.	223	+		=	329
3.	498	+		=	824
4.	370	+		=	571
5.	337	+		=	662
6.	164	+		=	308
7.	445	+		=	635
8.	464	+		=	878
9.	282	+		=	480
10.	456	+		=	717

Oefening 4
1.	328	+		=	481
2.	483	+		=	647
3.	193	+		=	320
4.	269	+		=	486
5.	498	+		=	842
6.	303	+		=	471
7.	455	+		=	731
8.	341	+		=	522
9.	335	+		=	659
10.	474	+		=	803

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	371	+	337	=	708
2.	458	+	230	=	688
3.	403	+	166	=	569
4.	323	+	283	=	606
5.	297	+	245	=	542
6.	130	+	109	=	239
7.	287	+	231	=	518
8.	271	+	111	=	382
9.	242	+	163	=	405
10.	229	+	143	=	372

Oefening 2
1.	389	+	240	=	629
2.	421	+	357	=	778
3.	436	+	284	=	720
4.	356	+	194	=	550
5.	417	+	382	=	799
6.	301	+	215	=	516
7.	149	+	136	=	285
8.	491	+	294	=	785
9.	331	+	100	=	431
10.	374	+	193	=	567

Oefening 3
1.	428	+	176	=	604
2.	223	+	106	=	329
3.	498	+	326	=	824
4.	370	+	201	=	571
5.	337	+	325	=	662
6.	164	+	144	=	308
7.	445	+	190	=	635
8.	464	+	414	=	878
9.	282	+	198	=	480
10.	456	+	261	=	717

Oefening 4
1.	328	+	153	=	481
2.	483	+	164	=	647
3.	193	+	127	=	320
4.	269	+	217	=	486
5.	498	+	344	=	842
6.	303	+	168	=	471
7.	455	+	276	=	731
8.	341	+	181	=	522
9.	335	+	324	=	659
10.	474	+	329	=	803