Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	469	+		=	623
2.	382	+		=	713
3.	438	+		=	692
4.	350	+		=	526
5.	233	+		=	450
6.	298	+		=	538
7.	465	+		=	925
8.	481	+		=	868
9.	225	+		=	435
10.	490	+		=	725

Oefening 2
1.	394	+		=	562
2.	406	+		=	692
3.	459	+		=	684
4.	491	+		=	616
5.	323	+		=	468
6.	438	+		=	837
7.	260	+		=	489
8.	459	+		=	576
9.	495	+		=	695
10.	378	+		=	503

Oefening 3
1.	496	+		=	886
2.	382	+		=	676
3.	490	+		=	747
4.	208	+		=	383
5.	189	+		=	370
6.	441	+		=	719
7.	482	+		=	840
8.	256	+		=	417
9.	429	+		=	752
10.	144	+		=	286

Oefening 4
1.	423	+		=	783
2.	498	+		=	959
3.	481	+		=	615
4.	422	+		=	626
5.	276	+		=	487
6.	470	+		=	939
7.	379	+		=	649
8.	353	+		=	570
9.	333	+		=	585
10.	428	+		=	740

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	469	+	154	=	623
2.	382	+	331	=	713
3.	438	+	254	=	692
4.	350	+	176	=	526
5.	233	+	217	=	450
6.	298	+	240	=	538
7.	465	+	460	=	925
8.	481	+	387	=	868
9.	225	+	210	=	435
10.	490	+	235	=	725

Oefening 2
1.	394	+	168	=	562
2.	406	+	286	=	692
3.	459	+	225	=	684
4.	491	+	125	=	616
5.	323	+	145	=	468
6.	438	+	399	=	837
7.	260	+	229	=	489
8.	459	+	117	=	576
9.	495	+	200	=	695
10.	378	+	125	=	503

Oefening 3
1.	496	+	390	=	886
2.	382	+	294	=	676
3.	490	+	257	=	747
4.	208	+	175	=	383
5.	189	+	181	=	370
6.	441	+	278	=	719
7.	482	+	358	=	840
8.	256	+	161	=	417
9.	429	+	323	=	752
10.	144	+	142	=	286

Oefening 4
1.	423	+	360	=	783
2.	498	+	461	=	959
3.	481	+	134	=	615
4.	422	+	204	=	626
5.	276	+	211	=	487
6.	470	+	469	=	939
7.	379	+	270	=	649
8.	353	+	217	=	570
9.	333	+	252	=	585
10.	428	+	312	=	740