Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	415	+		=	795
2.	388	+		=	655
3.	674	+		=	1.150
4.	851	+		=	1.560
5.	913	+		=	1.344
6.	675	+		=	1.293
7.	538	+		=	783
8.	727	+		=	1.081
9.	727	+		=	1.301
10.	763	+		=	1.188

Oefening 2
1.	632	+		=	1.182
2.	522	+		=	822
3.	850	+		=	1.530
4.	735	+		=	1.200
5.	751	+		=	1.064
6.	938	+		=	1.187
7.	487	+		=	737
8.	936	+		=	1.673
9.	974	+		=	1.616
10.	527	+		=	944

Oefening 3
1.	891	+		=	1.444
2.	992	+		=	1.258
3.	771	+		=	1.487
4.	878	+		=	1.391
5.	489	+		=	848
6.	699	+		=	941
7.	637	+		=	953
8.	917	+		=	1.823
9.	922	+		=	1.676
10.	892	+		=	1.276

Oefening 4
1.	925	+		=	1.382
2.	720	+		=	1.437
3.	232	+		=	442
4.	654	+		=	1.302
5.	808	+		=	1.086
6.	484	+		=	847
7.	995	+		=	1.950
8.	851	+		=	1.591
9.	700	+		=	1.192
10.	785	+		=	1.119

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	415	+	380	=	795
2.	388	+	267	=	655
3.	674	+	476	=	1.150
4.	851	+	709	=	1.560
5.	913	+	431	=	1.344
6.	675	+	618	=	1.293
7.	538	+	245	=	783
8.	727	+	354	=	1.081
9.	727	+	574	=	1.301
10.	763	+	425	=	1.188

Oefening 2
1.	632	+	550	=	1.182
2.	522	+	300	=	822
3.	850	+	680	=	1.530
4.	735	+	465	=	1.200
5.	751	+	313	=	1.064
6.	938	+	249	=	1.187
7.	487	+	250	=	737
8.	936	+	737	=	1.673
9.	974	+	642	=	1.616
10.	527	+	417	=	944

Oefening 3
1.	891	+	553	=	1.444
2.	992	+	266	=	1.258
3.	771	+	716	=	1.487
4.	878	+	513	=	1.391
5.	489	+	359	=	848
6.	699	+	242	=	941
7.	637	+	316	=	953
8.	917	+	906	=	1.823
9.	922	+	754	=	1.676
10.	892	+	384	=	1.276

Oefening 4
1.	925	+	457	=	1.382
2.	720	+	717	=	1.437
3.	232	+	210	=	442
4.	654	+	648	=	1.302
5.	808	+	278	=	1.086
6.	484	+	363	=	847
7.	995	+	955	=	1.950
8.	851	+	740	=	1.591
9.	700	+	492	=	1.192
10.	785	+	334	=	1.119