Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	429	+		=	615
2.	472	+		=	681
3.	280	+		=	558
4.	492	+		=	622
5.	413	+		=	793
6.	414	+		=	585
7.	479	+		=	728
8.	392	+		=	524
9.	415	+		=	806
10.	171	+		=	302

Oefening 2
1.	471	+		=	940
2.	413	+		=	824
3.	435	+		=	807
4.	387	+		=	578
5.	328	+		=	596
6.	278	+		=	490
7.	186	+		=	341
8.	310	+		=	431
9.	398	+		=	647
10.	401	+		=	759

Oefening 3
1.	262	+		=	444
2.	354	+		=	516
3.	312	+		=	507
4.	389	+		=	577
5.	397	+		=	620
6.	185	+		=	317
7.	432	+		=	709
8.	369	+		=	513
9.	493	+		=	599
10.	464	+		=	670

Oefening 4
1.	451	+		=	682
2.	151	+		=	267
3.	309	+		=	513
4.	300	+		=	535
5.	466	+		=	824
6.	397	+		=	661
7.	312	+		=	479
8.	392	+		=	668
9.	455	+		=	883
10.	321	+		=	467

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	429	+	186	=	615
2.	472	+	209	=	681
3.	280	+	278	=	558
4.	492	+	130	=	622
5.	413	+	380	=	793
6.	414	+	171	=	585
7.	479	+	249	=	728
8.	392	+	132	=	524
9.	415	+	391	=	806
10.	171	+	131	=	302

Oefening 2
1.	471	+	469	=	940
2.	413	+	411	=	824
3.	435	+	372	=	807
4.	387	+	191	=	578
5.	328	+	268	=	596
6.	278	+	212	=	490
7.	186	+	155	=	341
8.	310	+	121	=	431
9.	398	+	249	=	647
10.	401	+	358	=	759

Oefening 3
1.	262	+	182	=	444
2.	354	+	162	=	516
3.	312	+	195	=	507
4.	389	+	188	=	577
5.	397	+	223	=	620
6.	185	+	132	=	317
7.	432	+	277	=	709
8.	369	+	144	=	513
9.	493	+	106	=	599
10.	464	+	206	=	670

Oefening 4
1.	451	+	231	=	682
2.	151	+	116	=	267
3.	309	+	204	=	513
4.	300	+	235	=	535
5.	466	+	358	=	824
6.	397	+	264	=	661
7.	312	+	167	=	479
8.	392	+	276	=	668
9.	455	+	428	=	883
10.	321	+	146	=	467