Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	500	+		=	850
2.	309	+		=	568
3.	406	+		=	751
4.	145	+		=	253
5.	256	+		=	403
6.	412	+		=	595
7.	197	+		=	385
8.	437	+		=	780
9.	439	+		=	699
10.	128	+		=	256

Oefening 2
1.	216	+		=	406
2.	440	+		=	648
3.	450	+		=	864
4.	242	+		=	355
5.	413	+		=	709
6.	406	+		=	594
7.	285	+		=	461
8.	493	+		=	629
9.	215	+		=	411
10.	484	+		=	905

Oefening 3
1.	488	+		=	659
2.	489	+		=	860
3.	492	+		=	685
4.	337	+		=	583
5.	413	+		=	521
6.	230	+		=	399
7.	316	+		=	510
8.	468	+		=	663
9.	184	+		=	318
10.	470	+		=	644

Oefening 4
1.	425	+		=	765
2.	457	+		=	880
3.	440	+		=	703
4.	491	+		=	605
5.	165	+		=	305
6.	406	+		=	812
7.	344	+		=	545
8.	458	+		=	611
9.	442	+		=	707
10.	424	+		=	786

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	500	+	350	=	850
2.	309	+	259	=	568
3.	406	+	345	=	751
4.	145	+	108	=	253
5.	256	+	147	=	403
6.	412	+	183	=	595
7.	197	+	188	=	385
8.	437	+	343	=	780
9.	439	+	260	=	699
10.	128	+	128	=	256

Oefening 2
1.	216	+	190	=	406
2.	440	+	208	=	648
3.	450	+	414	=	864
4.	242	+	113	=	355
5.	413	+	296	=	709
6.	406	+	188	=	594
7.	285	+	176	=	461
8.	493	+	136	=	629
9.	215	+	196	=	411
10.	484	+	421	=	905

Oefening 3
1.	488	+	171	=	659
2.	489	+	371	=	860
3.	492	+	193	=	685
4.	337	+	246	=	583
5.	413	+	108	=	521
6.	230	+	169	=	399
7.	316	+	194	=	510
8.	468	+	195	=	663
9.	184	+	134	=	318
10.	470	+	174	=	644

Oefening 4
1.	425	+	340	=	765
2.	457	+	423	=	880
3.	440	+	263	=	703
4.	491	+	114	=	605
5.	165	+	140	=	305
6.	406	+	406	=	812
7.	344	+	201	=	545
8.	458	+	153	=	611
9.	442	+	265	=	707
10.	424	+	362	=	786