Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	343	+		=	498
2.	301	+		=	406
3.	385	+		=	556
4.	360	+		=	548
5.	448	+		=	708
6.	461	+		=	695
7.	457	+		=	780
8.	407	+		=	605
9.	402	+		=	636
10.	304	+		=	424

Oefening 2
1.	248	+		=	384
2.	184	+		=	352
3.	171	+		=	284
4.	188	+		=	318
5.	483	+		=	822
6.	333	+		=	445
7.	497	+		=	775
8.	451	+		=	886
9.	387	+		=	573
10.	207	+		=	357

Oefening 3
1.	421	+		=	770
2.	432	+		=	741
3.	386	+		=	676
4.	496	+		=	847
5.	491	+		=	883
6.	249	+		=	378
7.	305	+		=	569
8.	420	+		=	550
9.	266	+		=	462
10.	481	+		=	797

Oefening 4
1.	429	+		=	829
2.	286	+		=	497
3.	495	+		=	687
4.	257	+		=	490
5.	491	+		=	820
6.	429	+		=	835
7.	468	+		=	703
8.	429	+		=	749
9.	137	+		=	267
10.	428	+		=	595

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	343	+	155	=	498
2.	301	+	105	=	406
3.	385	+	171	=	556
4.	360	+	188	=	548
5.	448	+	260	=	708
6.	461	+	234	=	695
7.	457	+	323	=	780
8.	407	+	198	=	605
9.	402	+	234	=	636
10.	304	+	120	=	424

Oefening 2
1.	248	+	136	=	384
2.	184	+	168	=	352
3.	171	+	113	=	284
4.	188	+	130	=	318
5.	483	+	339	=	822
6.	333	+	112	=	445
7.	497	+	278	=	775
8.	451	+	435	=	886
9.	387	+	186	=	573
10.	207	+	150	=	357

Oefening 3
1.	421	+	349	=	770
2.	432	+	309	=	741
3.	386	+	290	=	676
4.	496	+	351	=	847
5.	491	+	392	=	883
6.	249	+	129	=	378
7.	305	+	264	=	569
8.	420	+	130	=	550
9.	266	+	196	=	462
10.	481	+	316	=	797

Oefening 4
1.	429	+	400	=	829
2.	286	+	211	=	497
3.	495	+	192	=	687
4.	257	+	233	=	490
5.	491	+	329	=	820
6.	429	+	406	=	835
7.	468	+	235	=	703
8.	429	+	320	=	749
9.	137	+	130	=	267
10.	428	+	167	=	595