Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	399	+		=	565
2.	423	+		=	612
3.	463	+		=	777
4.	413	+		=	696
5.	451	+		=	658
6.	390	+		=	533
7.	266	+		=	429
8.	327	+		=	532
9.	381	+		=	482
10.	401	+		=	548

Oefening 2
1.	491	+		=	979
2.	462	+		=	615
3.	388	+		=	513
4.	418	+		=	632
5.	279	+		=	494
6.	433	+		=	740
7.	475	+		=	646
8.	334	+		=	466
9.	385	+		=	644
10.	365	+		=	631

Oefening 3
1.	347	+		=	499
2.	322	+		=	611
3.	268	+		=	391
4.	489	+		=	860
5.	462	+		=	823
6.	390	+		=	611
7.	336	+		=	637
8.	309	+		=	587
9.	287	+		=	520
10.	384	+		=	714

Oefening 4
1.	484	+		=	719
2.	365	+		=	708
3.	492	+		=	967
4.	414	+		=	560
5.	378	+		=	718
6.	388	+		=	669
7.	465	+		=	656
8.	421	+		=	545
9.	490	+		=	639
10.	364	+		=	697

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	399	+	166	=	565
2.	423	+	189	=	612
3.	463	+	314	=	777
4.	413	+	283	=	696
5.	451	+	207	=	658
6.	390	+	143	=	533
7.	266	+	163	=	429
8.	327	+	205	=	532
9.	381	+	101	=	482
10.	401	+	147	=	548

Oefening 2
1.	491	+	488	=	979
2.	462	+	153	=	615
3.	388	+	125	=	513
4.	418	+	214	=	632
5.	279	+	215	=	494
6.	433	+	307	=	740
7.	475	+	171	=	646
8.	334	+	132	=	466
9.	385	+	259	=	644
10.	365	+	266	=	631

Oefening 3
1.	347	+	152	=	499
2.	322	+	289	=	611
3.	268	+	123	=	391
4.	489	+	371	=	860
5.	462	+	361	=	823
6.	390	+	221	=	611
7.	336	+	301	=	637
8.	309	+	278	=	587
9.	287	+	233	=	520
10.	384	+	330	=	714

Oefening 4
1.	484	+	235	=	719
2.	365	+	343	=	708
3.	492	+	475	=	967
4.	414	+	146	=	560
5.	378	+	340	=	718
6.	388	+	281	=	669
7.	465	+	191	=	656
8.	421	+	124	=	545
9.	490	+	149	=	639
10.	364	+	333	=	697