Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	243	+		=	435
2.	475	+		=	698
3.	440	+		=	836
4.	444	+		=	635
5.	488	+		=	768
6.	400	+		=	573
7.	425	+		=	678
8.	228	+		=	432
9.	335	+		=	649
10.	188	+		=	347

Oefening 2
1.	286	+		=	535
2.	337	+		=	453
3.	279	+		=	535
4.	485	+		=	852
5.	285	+		=	492
6.	344	+		=	522
7.	172	+		=	322
8.	470	+		=	939
9.	421	+		=	786
10.	333	+		=	657

Oefening 3
1.	258	+		=	410
2.	407	+		=	618
3.	329	+		=	482
4.	499	+		=	644
5.	373	+		=	522
6.	383	+		=	602
7.	488	+		=	621
8.	350	+		=	507
9.	178	+		=	309
10.	310	+		=	557

Oefening 4
1.	479	+		=	588
2.	449	+		=	746
3.	275	+		=	485
4.	483	+		=	767
5.	259	+		=	369
6.	487	+		=	943
7.	491	+		=	830
8.	434	+		=	699
9.	285	+		=	551
10.	296	+		=	555

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	243	+	192	=	435
2.	475	+	223	=	698
3.	440	+	396	=	836
4.	444	+	191	=	635
5.	488	+	280	=	768
6.	400	+	173	=	573
7.	425	+	253	=	678
8.	228	+	204	=	432
9.	335	+	314	=	649
10.	188	+	159	=	347

Oefening 2
1.	286	+	249	=	535
2.	337	+	116	=	453
3.	279	+	256	=	535
4.	485	+	367	=	852
5.	285	+	207	=	492
6.	344	+	178	=	522
7.	172	+	150	=	322
8.	470	+	469	=	939
9.	421	+	365	=	786
10.	333	+	324	=	657

Oefening 3
1.	258	+	152	=	410
2.	407	+	211	=	618
3.	329	+	153	=	482
4.	499	+	145	=	644
5.	373	+	149	=	522
6.	383	+	219	=	602
7.	488	+	133	=	621
8.	350	+	157	=	507
9.	178	+	131	=	309
10.	310	+	247	=	557

Oefening 4
1.	479	+	109	=	588
2.	449	+	297	=	746
3.	275	+	210	=	485
4.	483	+	284	=	767
5.	259	+	110	=	369
6.	487	+	456	=	943
7.	491	+	339	=	830
8.	434	+	265	=	699
9.	285	+	266	=	551
10.	296	+	259	=	555