Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	180	+		=	307
2.	497	+		=	928
3.	178	+		=	341
4.	382	+		=	674
5.	464	+		=	733
6.	386	+		=	659
7.	441	+		=	735
8.	487	+		=	712
9.	369	+		=	521
10.	311	+		=	535

Oefening 2
1.	403	+		=	632
2.	333	+		=	628
3.	349	+		=	563
4.	282	+		=	478
5.	379	+		=	631
6.	422	+		=	690
7.	500	+		=	893
8.	294	+		=	513
9.	217	+		=	398
10.	439	+		=	565

Oefening 3
1.	492	+		=	961
2.	319	+		=	536
3.	470	+		=	655
4.	328	+		=	630
5.	200	+		=	355
6.	442	+		=	852
7.	300	+		=	583
8.	363	+		=	667
9.	480	+		=	794
10.	249	+		=	361

Oefening 4
1.	361	+		=	636
2.	319	+		=	573
3.	376	+		=	575
4.	425	+		=	783
5.	296	+		=	564
6.	164	+		=	319
7.	464	+		=	767
8.	183	+		=	287
9.	459	+		=	830
10.	236	+		=	360

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	180	+	127	=	307
2.	497	+	431	=	928
3.	178	+	163	=	341
4.	382	+	292	=	674
5.	464	+	269	=	733
6.	386	+	273	=	659
7.	441	+	294	=	735
8.	487	+	225	=	712
9.	369	+	152	=	521
10.	311	+	224	=	535

Oefening 2
1.	403	+	229	=	632
2.	333	+	295	=	628
3.	349	+	214	=	563
4.	282	+	196	=	478
5.	379	+	252	=	631
6.	422	+	268	=	690
7.	500	+	393	=	893
8.	294	+	219	=	513
9.	217	+	181	=	398
10.	439	+	126	=	565

Oefening 3
1.	492	+	469	=	961
2.	319	+	217	=	536
3.	470	+	185	=	655
4.	328	+	302	=	630
5.	200	+	155	=	355
6.	442	+	410	=	852
7.	300	+	283	=	583
8.	363	+	304	=	667
9.	480	+	314	=	794
10.	249	+	112	=	361

Oefening 4
1.	361	+	275	=	636
2.	319	+	254	=	573
3.	376	+	199	=	575
4.	425	+	358	=	783
5.	296	+	268	=	564
6.	164	+	155	=	319
7.	464	+	303	=	767
8.	183	+	104	=	287
9.	459	+	371	=	830
10.	236	+	124	=	360