Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	483	+		=	625
2.	429	+		=	670
3.	446	+		=	698
4.	463	+		=	732
5.	497	+		=	891
6.	330	+		=	555
7.	272	+		=	467
8.	486	+		=	937
9.	367	+		=	609
10.	308	+		=	433

Oefening 2
1.	406	+		=	514
2.	397	+		=	771
3.	349	+		=	554
4.	386	+		=	680
5.	429	+		=	800
6.	300	+		=	569
7.	426	+		=	554
8.	488	+		=	670
9.	467	+		=	678
10.	442	+		=	603

Oefening 3
1.	199	+		=	329
2.	295	+		=	583
3.	460	+		=	865
4.	500	+		=	816
5.	302	+		=	521
6.	319	+		=	456
7.	394	+		=	685
8.	402	+		=	660
9.	369	+		=	556
10.	193	+		=	331

Oefening 4
1.	417	+		=	588
2.	403	+		=	630
3.	404	+		=	741
4.	387	+		=	523
5.	314	+		=	522
6.	476	+		=	613
7.	406	+		=	558
8.	417	+		=	602
9.	252	+		=	383
10.	390	+		=	730

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	483	+	142	=	625
2.	429	+	241	=	670
3.	446	+	252	=	698
4.	463	+	269	=	732
5.	497	+	394	=	891
6.	330	+	225	=	555
7.	272	+	195	=	467
8.	486	+	451	=	937
9.	367	+	242	=	609
10.	308	+	125	=	433

Oefening 2
1.	406	+	108	=	514
2.	397	+	374	=	771
3.	349	+	205	=	554
4.	386	+	294	=	680
5.	429	+	371	=	800
6.	300	+	269	=	569
7.	426	+	128	=	554
8.	488	+	182	=	670
9.	467	+	211	=	678
10.	442	+	161	=	603

Oefening 3
1.	199	+	130	=	329
2.	295	+	288	=	583
3.	460	+	405	=	865
4.	500	+	316	=	816
5.	302	+	219	=	521
6.	319	+	137	=	456
7.	394	+	291	=	685
8.	402	+	258	=	660
9.	369	+	187	=	556
10.	193	+	138	=	331

Oefening 4
1.	417	+	171	=	588
2.	403	+	227	=	630
3.	404	+	337	=	741
4.	387	+	136	=	523
5.	314	+	208	=	522
6.	476	+	137	=	613
7.	406	+	152	=	558
8.	417	+	185	=	602
9.	252	+	131	=	383
10.	390	+	340	=	730