Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	379	+		=	578
2.	320	+		=	595
3.	491	+		=	887
4.	447	+		=	877
5.	471	+		=	870
6.	305	+		=	534
7.	445	+		=	850
8.	460	+		=	736
9.	342	+		=	593
10.	331	+		=	452

Oefening 2
1.	146	+		=	257
2.	164	+		=	278
3.	442	+		=	761
4.	450	+		=	557
5.	268	+		=	468
6.	392	+		=	538
7.	304	+		=	591
8.	485	+		=	627
9.	469	+		=	655
10.	387	+		=	611

Oefening 3
1.	248	+		=	416
2.	450	+		=	771
3.	360	+		=	676
4.	206	+		=	397
5.	471	+		=	728
6.	351	+		=	519
7.	443	+		=	860
8.	499	+		=	942
9.	303	+		=	594
10.	336	+		=	535

Oefening 4
1.	357	+		=	662
2.	319	+		=	632
3.	474	+		=	606
4.	390	+		=	733
5.	311	+		=	452
6.	355	+		=	607
7.	384	+		=	727
8.	369	+		=	608
9.	378	+		=	680
10.	417	+		=	557

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	379	+	199	=	578
2.	320	+	275	=	595
3.	491	+	396	=	887
4.	447	+	430	=	877
5.	471	+	399	=	870
6.	305	+	229	=	534
7.	445	+	405	=	850
8.	460	+	276	=	736
9.	342	+	251	=	593
10.	331	+	121	=	452

Oefening 2
1.	146	+	111	=	257
2.	164	+	114	=	278
3.	442	+	319	=	761
4.	450	+	107	=	557
5.	268	+	200	=	468
6.	392	+	146	=	538
7.	304	+	287	=	591
8.	485	+	142	=	627
9.	469	+	186	=	655
10.	387	+	224	=	611

Oefening 3
1.	248	+	168	=	416
2.	450	+	321	=	771
3.	360	+	316	=	676
4.	206	+	191	=	397
5.	471	+	257	=	728
6.	351	+	168	=	519
7.	443	+	417	=	860
8.	499	+	443	=	942
9.	303	+	291	=	594
10.	336	+	199	=	535

Oefening 4
1.	357	+	305	=	662
2.	319	+	313	=	632
3.	474	+	132	=	606
4.	390	+	343	=	733
5.	311	+	141	=	452
6.	355	+	252	=	607
7.	384	+	343	=	727
8.	369	+	239	=	608
9.	378	+	302	=	680
10.	417	+	140	=	557