Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	451	+		=	736
2.	228	+		=	384
3.	460	+		=	606
4.	342	+		=	556
5.	435	+		=	727
6.	346	+		=	485
7.	474	+		=	626
8.	442	+		=	634
9.	333	+		=	498
10.	321	+		=	501

Oefening 2
1.	489	+		=	698
2.	363	+		=	470
3.	465	+		=	647
4.	480	+		=	939
5.	171	+		=	339
6.	266	+		=	484
7.	370	+		=	669
8.	280	+		=	532
9.	171	+		=	302
10.	434	+		=	545

Oefening 3
1.	280	+		=	488
2.	255	+		=	507
3.	353	+		=	661
4.	495	+		=	621
5.	322	+		=	580
6.	315	+		=	518
7.	487	+		=	911
8.	368	+		=	610
9.	290	+		=	515
10.	498	+		=	751

Oefening 4
1.	298	+		=	517
2.	343	+		=	666
3.	123	+		=	243
4.	330	+		=	511
5.	477	+		=	595
6.	493	+		=	765
7.	396	+		=	700
8.	316	+		=	526
9.	492	+		=	828
10.	461	+		=	657

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	451	+	285	=	736
2.	228	+	156	=	384
3.	460	+	146	=	606
4.	342	+	214	=	556
5.	435	+	292	=	727
6.	346	+	139	=	485
7.	474	+	152	=	626
8.	442	+	192	=	634
9.	333	+	165	=	498
10.	321	+	180	=	501

Oefening 2
1.	489	+	209	=	698
2.	363	+	107	=	470
3.	465	+	182	=	647
4.	480	+	459	=	939
5.	171	+	168	=	339
6.	266	+	218	=	484
7.	370	+	299	=	669
8.	280	+	252	=	532
9.	171	+	131	=	302
10.	434	+	111	=	545

Oefening 3
1.	280	+	208	=	488
2.	255	+	252	=	507
3.	353	+	308	=	661
4.	495	+	126	=	621
5.	322	+	258	=	580
6.	315	+	203	=	518
7.	487	+	424	=	911
8.	368	+	242	=	610
9.	290	+	225	=	515
10.	498	+	253	=	751

Oefening 4
1.	298	+	219	=	517
2.	343	+	323	=	666
3.	123	+	120	=	243
4.	330	+	181	=	511
5.	477	+	118	=	595
6.	493	+	272	=	765
7.	396	+	304	=	700
8.	316	+	210	=	526
9.	492	+	336	=	828
10.	461	+	196	=	657