Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	406	+		=	743
2.	483	+		=	771
3.	308	+		=	421
4.	385	+		=	641
5.	269	+		=	533
6.	474	+		=	746
7.	393	+		=	575
8.	111	+		=	216
9.	384	+		=	753
10.	421	+		=	734

Oefening 2
1.	280	+		=	440
2.	481	+		=	847
3.	318	+		=	611
4.	214	+		=	376
5.	354	+		=	532
6.	334	+		=	643
7.	388	+		=	571
8.	445	+		=	683
9.	436	+		=	869
10.	400	+		=	638

Oefening 3
1.	466	+		=	834
2.	367	+		=	642
3.	263	+		=	518
4.	391	+		=	655
5.	320	+		=	459
6.	166	+		=	267
7.	278	+		=	463
8.	483	+		=	705
9.	372	+		=	743
10.	372	+		=	710

Oefening 4
1.	418	+		=	643
2.	354	+		=	644
3.	289	+		=	489
4.	359	+		=	509
5.	382	+		=	636
6.	354	+		=	497
7.	165	+		=	295
8.	483	+		=	585
9.	401	+		=	511
10.	210	+		=	315

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	406	+	337	=	743
2.	483	+	288	=	771
3.	308	+	113	=	421
4.	385	+	256	=	641
5.	269	+	264	=	533
6.	474	+	272	=	746
7.	393	+	182	=	575
8.	111	+	105	=	216
9.	384	+	369	=	753
10.	421	+	313	=	734

Oefening 2
1.	280	+	160	=	440
2.	481	+	366	=	847
3.	318	+	293	=	611
4.	214	+	162	=	376
5.	354	+	178	=	532
6.	334	+	309	=	643
7.	388	+	183	=	571
8.	445	+	238	=	683
9.	436	+	433	=	869
10.	400	+	238	=	638

Oefening 3
1.	466	+	368	=	834
2.	367	+	275	=	642
3.	263	+	255	=	518
4.	391	+	264	=	655
5.	320	+	139	=	459
6.	166	+	101	=	267
7.	278	+	185	=	463
8.	483	+	222	=	705
9.	372	+	371	=	743
10.	372	+	338	=	710

Oefening 4
1.	418	+	225	=	643
2.	354	+	290	=	644
3.	289	+	200	=	489
4.	359	+	150	=	509
5.	382	+	254	=	636
6.	354	+	143	=	497
7.	165	+	130	=	295
8.	483	+	102	=	585
9.	401	+	110	=	511
10.	210	+	105	=	315