Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	355	+		=	459
2.	352	+		=	543
3.	429	+		=	656
4.	420	+		=	572
5.	262	+		=	443
6.	455	+		=	693
7.	386	+		=	578
8.	427	+		=	600
9.	393	+		=	498
10.	484	+		=	931

Oefening 2
1.	372	+		=	598
2.	427	+		=	804
3.	290	+		=	558
4.	455	+		=	585
5.	426	+		=	748
6.	415	+		=	801
7.	240	+		=	401
8.	459	+		=	609
9.	300	+		=	413
10.	235	+		=	347

Oefening 3
1.	423	+		=	525
2.	405	+		=	556
3.	272	+		=	516
4.	498	+		=	616
5.	201	+		=	301
6.	385	+		=	682
7.	230	+		=	335
8.	454	+		=	806
9.	344	+		=	584
10.	403	+		=	745

Oefening 4
1.	208	+		=	317
2.	299	+		=	547
3.	325	+		=	620
4.	281	+		=	497
5.	299	+		=	482
6.	374	+		=	557
7.	346	+		=	583
8.	387	+		=	737
9.	496	+		=	910
10.	367	+		=	721

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	355	+	104	=	459
2.	352	+	191	=	543
3.	429	+	227	=	656
4.	420	+	152	=	572
5.	262	+	181	=	443
6.	455	+	238	=	693
7.	386	+	192	=	578
8.	427	+	173	=	600
9.	393	+	105	=	498
10.	484	+	447	=	931

Oefening 2
1.	372	+	226	=	598
2.	427	+	377	=	804
3.	290	+	268	=	558
4.	455	+	130	=	585
5.	426	+	322	=	748
6.	415	+	386	=	801
7.	240	+	161	=	401
8.	459	+	150	=	609
9.	300	+	113	=	413
10.	235	+	112	=	347

Oefening 3
1.	423	+	102	=	525
2.	405	+	151	=	556
3.	272	+	244	=	516
4.	498	+	118	=	616
5.	201	+	100	=	301
6.	385	+	297	=	682
7.	230	+	105	=	335
8.	454	+	352	=	806
9.	344	+	240	=	584
10.	403	+	342	=	745

Oefening 4
1.	208	+	109	=	317
2.	299	+	248	=	547
3.	325	+	295	=	620
4.	281	+	216	=	497
5.	299	+	183	=	482
6.	374	+	183	=	557
7.	346	+	237	=	583
8.	387	+	350	=	737
9.	496	+	414	=	910
10.	367	+	354	=	721