Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	161	+		=	312
2.	434	+		=	728
3.	356	+		=	704
4.	414	+		=	596
5.	415	+		=	646
6.	146	+		=	262
7.	345	+		=	477
8.	346	+		=	526
9.	360	+		=	558
10.	367	+		=	665

Oefening 2
1.	404	+		=	568
2.	359	+		=	515
3.	386	+		=	727
4.	369	+		=	589
5.	295	+		=	458
6.	429	+		=	690
7.	496	+		=	670
8.	402	+		=	503
9.	475	+		=	753
10.	336	+		=	524

Oefening 3
1.	489	+		=	796
2.	426	+		=	544
3.	404	+		=	595
4.	405	+		=	518
5.	294	+		=	524
6.	498	+		=	820
7.	297	+		=	568
8.	451	+		=	571
9.	223	+		=	358
10.	298	+		=	536

Oefening 4
1.	246	+		=	410
2.	326	+		=	476
3.	483	+		=	882
4.	397	+		=	597
5.	449	+		=	708
6.	386	+		=	658
7.	496	+		=	753
8.	416	+		=	654
9.	340	+		=	576
10.	478	+		=	608

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	161	+	151	=	312
2.	434	+	294	=	728
3.	356	+	348	=	704
4.	414	+	182	=	596
5.	415	+	231	=	646
6.	146	+	116	=	262
7.	345	+	132	=	477
8.	346	+	180	=	526
9.	360	+	198	=	558
10.	367	+	298	=	665

Oefening 2
1.	404	+	164	=	568
2.	359	+	156	=	515
3.	386	+	341	=	727
4.	369	+	220	=	589
5.	295	+	163	=	458
6.	429	+	261	=	690
7.	496	+	174	=	670
8.	402	+	101	=	503
9.	475	+	278	=	753
10.	336	+	188	=	524

Oefening 3
1.	489	+	307	=	796
2.	426	+	118	=	544
3.	404	+	191	=	595
4.	405	+	113	=	518
5.	294	+	230	=	524
6.	498	+	322	=	820
7.	297	+	271	=	568
8.	451	+	120	=	571
9.	223	+	135	=	358
10.	298	+	238	=	536

Oefening 4
1.	246	+	164	=	410
2.	326	+	150	=	476
3.	483	+	399	=	882
4.	397	+	200	=	597
5.	449	+	259	=	708
6.	386	+	272	=	658
7.	496	+	257	=	753
8.	416	+	238	=	654
9.	340	+	236	=	576
10.	478	+	130	=	608