Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	365	+		=	629
2.	747	+		=	1.414
3.	684	+		=	1.356
4.	661	+		=	1.245
5.	888	+		=	1.196
6.	679	+		=	993
7.	727	+		=	1.371
8.	978	+		=	1.714
9.	992	+		=	1.482
10.	961	+		=	1.605

Oefening 2
1.	402	+		=	636
2.	852	+		=	1.185
3.	897	+		=	1.216
4.	818	+		=	1.210
5.	371	+		=	660
6.	679	+		=	1.240
7.	834	+		=	1.197
8.	633	+		=	1.125
9.	596	+		=	938
10.	549	+		=	993

Oefening 3
1.	556	+		=	927
2.	841	+		=	1.574
3.	787	+		=	1.164
4.	699	+		=	1.388
5.	594	+		=	1.158
6.	390	+		=	602
7.	656	+		=	1.133
8.	867	+		=	1.078
9.	960	+		=	1.399
10.	823	+		=	1.356

Oefening 4
1.	844	+		=	1.125
2.	853	+		=	1.580
3.	779	+		=	1.141
4.	866	+		=	1.589
5.	779	+		=	1.239
6.	965	+		=	1.900
7.	575	+		=	969
8.	355	+		=	618
9.	756	+		=	1.015
10.	912	+		=	1.772

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	365	+	264	=	629
2.	747	+	667	=	1.414
3.	684	+	672	=	1.356
4.	661	+	584	=	1.245
5.	888	+	308	=	1.196
6.	679	+	314	=	993
7.	727	+	644	=	1.371
8.	978	+	736	=	1.714
9.	992	+	490	=	1.482
10.	961	+	644	=	1.605

Oefening 2
1.	402	+	234	=	636
2.	852	+	333	=	1.185
3.	897	+	319	=	1.216
4.	818	+	392	=	1.210
5.	371	+	289	=	660
6.	679	+	561	=	1.240
7.	834	+	363	=	1.197
8.	633	+	492	=	1.125
9.	596	+	342	=	938
10.	549	+	444	=	993

Oefening 3
1.	556	+	371	=	927
2.	841	+	733	=	1.574
3.	787	+	377	=	1.164
4.	699	+	689	=	1.388
5.	594	+	564	=	1.158
6.	390	+	212	=	602
7.	656	+	477	=	1.133
8.	867	+	211	=	1.078
9.	960	+	439	=	1.399
10.	823	+	533	=	1.356

Oefening 4
1.	844	+	281	=	1.125
2.	853	+	727	=	1.580
3.	779	+	362	=	1.141
4.	866	+	723	=	1.589
5.	779	+	460	=	1.239
6.	965	+	935	=	1.900
7.	575	+	394	=	969
8.	355	+	263	=	618
9.	756	+	259	=	1.015
10.	912	+	860	=	1.772