Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	781	+		=	1.191
2.	778	+		=	1.069
3.	694	+		=	1.240
4.	615	+		=	936
5.	329	+		=	617
6.	937	+		=	1.636
7.	910	+		=	1.317
8.	694	+		=	1.020
9.	881	+		=	1.748
10.	774	+		=	1.225

Oefening 2
1.	755	+		=	1.089
2.	908	+		=	1.298
3.	981	+		=	1.472
4.	478	+		=	825
5.	884	+		=	1.330
6.	881	+		=	1.712
7.	891	+		=	1.093
8.	949	+		=	1.753
9.	868	+		=	1.471
10.	973	+		=	1.615

Oefening 3
1.	934	+		=	1.609
2.	606	+		=	1.106
3.	542	+		=	987
4.	859	+		=	1.111
5.	777	+		=	1.161
6.	390	+		=	764
7.	922	+		=	1.586
8.	956	+		=	1.681
9.	764	+		=	1.442
10.	999	+		=	1.650

Oefening 4
1.	490	+		=	852
2.	856	+		=	1.555
3.	890	+		=	1.289
4.	430	+		=	698
5.	925	+		=	1.133
6.	932	+		=	1.402
7.	522	+		=	799
8.	986	+		=	1.594
9.	947	+		=	1.890
10.	798	+		=	1.362

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	781	+	410	=	1.191
2.	778	+	291	=	1.069
3.	694	+	546	=	1.240
4.	615	+	321	=	936
5.	329	+	288	=	617
6.	937	+	699	=	1.636
7.	910	+	407	=	1.317
8.	694	+	326	=	1.020
9.	881	+	867	=	1.748
10.	774	+	451	=	1.225

Oefening 2
1.	755	+	334	=	1.089
2.	908	+	390	=	1.298
3.	981	+	491	=	1.472
4.	478	+	347	=	825
5.	884	+	446	=	1.330
6.	881	+	831	=	1.712
7.	891	+	202	=	1.093
8.	949	+	804	=	1.753
9.	868	+	603	=	1.471
10.	973	+	642	=	1.615

Oefening 3
1.	934	+	675	=	1.609
2.	606	+	500	=	1.106
3.	542	+	445	=	987
4.	859	+	252	=	1.111
5.	777	+	384	=	1.161
6.	390	+	374	=	764
7.	922	+	664	=	1.586
8.	956	+	725	=	1.681
9.	764	+	678	=	1.442
10.	999	+	651	=	1.650

Oefening 4
1.	490	+	362	=	852
2.	856	+	699	=	1.555
3.	890	+	399	=	1.289
4.	430	+	268	=	698
5.	925	+	208	=	1.133
6.	932	+	470	=	1.402
7.	522	+	277	=	799
8.	986	+	608	=	1.594
9.	947	+	943	=	1.890
10.	798	+	564	=	1.362