Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	709	+		=	1.139
2.	821	+		=	1.282
3.	968	+		=	1.538
4.	567	+		=	919
5.	984	+		=	1.786
6.	851	+		=	1.611
7.	982	+		=	1.466
8.	665	+		=	1.191
9.	544	+		=	889
10.	403	+		=	788

Oefening 2
1.	889	+		=	1.519
2.	860	+		=	1.390
3.	954	+		=	1.401
4.	486	+		=	892
5.	797	+		=	1.590
6.	874	+		=	1.331
7.	525	+		=	845
8.	377	+		=	588
9.	851	+		=	1.083
10.	987	+		=	1.334

Oefening 3
1.	982	+		=	1.379
2.	755	+		=	1.242
3.	884	+		=	1.164
4.	886	+		=	1.444
5.	736	+		=	1.350
6.	947	+		=	1.329
7.	529	+		=	982
8.	609	+		=	1.189
9.	566	+		=	925
10.	628	+		=	910

Oefening 4
1.	782	+		=	1.558
2.	703	+		=	1.210
3.	420	+		=	827
4.	671	+		=	1.220
5.	831	+		=	1.180
6.	649	+		=	1.229
7.	518	+		=	842
8.	295	+		=	586
9.	926	+		=	1.453
10.	880	+		=	1.677

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	709	+	430	=	1.139
2.	821	+	461	=	1.282
3.	968	+	570	=	1.538
4.	567	+	352	=	919
5.	984	+	802	=	1.786
6.	851	+	760	=	1.611
7.	982	+	484	=	1.466
8.	665	+	526	=	1.191
9.	544	+	345	=	889
10.	403	+	385	=	788

Oefening 2
1.	889	+	630	=	1.519
2.	860	+	530	=	1.390
3.	954	+	447	=	1.401
4.	486	+	406	=	892
5.	797	+	793	=	1.590
6.	874	+	457	=	1.331
7.	525	+	320	=	845
8.	377	+	211	=	588
9.	851	+	232	=	1.083
10.	987	+	347	=	1.334

Oefening 3
1.	982	+	397	=	1.379
2.	755	+	487	=	1.242
3.	884	+	280	=	1.164
4.	886	+	558	=	1.444
5.	736	+	614	=	1.350
6.	947	+	382	=	1.329
7.	529	+	453	=	982
8.	609	+	580	=	1.189
9.	566	+	359	=	925
10.	628	+	282	=	910

Oefening 4
1.	782	+	776	=	1.558
2.	703	+	507	=	1.210
3.	420	+	407	=	827
4.	671	+	549	=	1.220
5.	831	+	349	=	1.180
6.	649	+	580	=	1.229
7.	518	+	324	=	842
8.	295	+	291	=	586
9.	926	+	527	=	1.453
10.	880	+	797	=	1.677