Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	655	+		=	868
2.	374	+		=	584
3.	851	+		=	1.513
4.	631	+		=	913
5.	829	+		=	1.229
6.	849	+		=	1.278
7.	555	+		=	941
8.	566	+		=	1.100
9.	978	+		=	1.664
10.	852	+		=	1.113

Oefening 2
1.	949	+		=	1.381
2.	448	+		=	779
3.	721	+		=	966
4.	725	+		=	1.164
5.	439	+		=	787
6.	775	+		=	1.171
7.	754	+		=	1.191
8.	493	+		=	916
9.	752	+		=	990
10.	930	+		=	1.774

Oefening 3
1.	691	+		=	1.241
2.	497	+		=	731
3.	400	+		=	772
4.	740	+		=	1.226
5.	969	+		=	1.613
6.	943	+		=	1.406
7.	932	+		=	1.424
8.	961	+		=	1.470
9.	948	+		=	1.311
10.	847	+		=	1.140

Oefening 4
1.	928	+		=	1.512
2.	819	+		=	1.037
3.	679	+		=	1.130
4.	440	+		=	754
5.	617	+		=	836
6.	417	+		=	787
7.	968	+		=	1.652
8.	856	+		=	1.105
9.	978	+		=	1.365
10.	581	+		=	1.044

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	655	+	213	=	868
2.	374	+	210	=	584
3.	851	+	662	=	1.513
4.	631	+	282	=	913
5.	829	+	400	=	1.229
6.	849	+	429	=	1.278
7.	555	+	386	=	941
8.	566	+	534	=	1.100
9.	978	+	686	=	1.664
10.	852	+	261	=	1.113

Oefening 2
1.	949	+	432	=	1.381
2.	448	+	331	=	779
3.	721	+	245	=	966
4.	725	+	439	=	1.164
5.	439	+	348	=	787
6.	775	+	396	=	1.171
7.	754	+	437	=	1.191
8.	493	+	423	=	916
9.	752	+	238	=	990
10.	930	+	844	=	1.774

Oefening 3
1.	691	+	550	=	1.241
2.	497	+	234	=	731
3.	400	+	372	=	772
4.	740	+	486	=	1.226
5.	969	+	644	=	1.613
6.	943	+	463	=	1.406
7.	932	+	492	=	1.424
8.	961	+	509	=	1.470
9.	948	+	363	=	1.311
10.	847	+	293	=	1.140

Oefening 4
1.	928	+	584	=	1.512
2.	819	+	218	=	1.037
3.	679	+	451	=	1.130
4.	440	+	314	=	754
5.	617	+	219	=	836
6.	417	+	370	=	787
7.	968	+	684	=	1.652
8.	856	+	249	=	1.105
9.	978	+	387	=	1.365
10.	581	+	463	=	1.044