Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	241	+		=	443
2.	454	+		=	585
3.	490	+		=	653
4.	284	+		=	413
5.	438	+		=	664
6.	336	+		=	649
7.	496	+		=	896
8.	373	+		=	515
9.	359	+		=	514
10.	475	+		=	912

Oefening 2
1.	342	+		=	622
2.	489	+		=	595
3.	454	+		=	650
4.	325	+		=	446
5.	411	+		=	533
6.	397	+		=	561
7.	447	+		=	573
8.	440	+		=	551
9.	476	+		=	688
10.	335	+		=	506

Oefening 3
1.	262	+		=	405
2.	438	+		=	574
3.	335	+		=	506
4.	385	+		=	597
5.	482	+		=	843
6.	215	+		=	416
7.	486	+		=	655
8.	500	+		=	640
9.	437	+		=	713
10.	300	+		=	465

Oefening 4
1.	416	+		=	642
2.	378	+		=	620
3.	392	+		=	583
4.	497	+		=	759
5.	336	+		=	635
6.	345	+		=	649
7.	370	+		=	558
8.	353	+		=	521
9.	127	+		=	253
10.	396	+		=	738

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	241	+	202	=	443
2.	454	+	131	=	585
3.	490	+	163	=	653
4.	284	+	129	=	413
5.	438	+	226	=	664
6.	336	+	313	=	649
7.	496	+	400	=	896
8.	373	+	142	=	515
9.	359	+	155	=	514
10.	475	+	437	=	912

Oefening 2
1.	342	+	280	=	622
2.	489	+	106	=	595
3.	454	+	196	=	650
4.	325	+	121	=	446
5.	411	+	122	=	533
6.	397	+	164	=	561
7.	447	+	126	=	573
8.	440	+	111	=	551
9.	476	+	212	=	688
10.	335	+	171	=	506

Oefening 3
1.	262	+	143	=	405
2.	438	+	136	=	574
3.	335	+	171	=	506
4.	385	+	212	=	597
5.	482	+	361	=	843
6.	215	+	201	=	416
7.	486	+	169	=	655
8.	500	+	140	=	640
9.	437	+	276	=	713
10.	300	+	165	=	465

Oefening 4
1.	416	+	226	=	642
2.	378	+	242	=	620
3.	392	+	191	=	583
4.	497	+	262	=	759
5.	336	+	299	=	635
6.	345	+	304	=	649
7.	370	+	188	=	558
8.	353	+	168	=	521
9.	127	+	126	=	253
10.	396	+	342	=	738