Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	878	+		=	1.732
2.	792	+		=	1.188
3.	660	+		=	958
4.	899	+		=	1.405
5.	483	+		=	956
6.	997	+		=	1.268
7.	565	+		=	978
8.	515	+		=	884
9.	884	+		=	1.354
10.	974	+		=	1.524

Oefening 2
1.	689	+		=	1.000
2.	598	+		=	1.028
3.	737	+		=	1.058
4.	814	+		=	1.024
5.	882	+		=	1.627
6.	543	+		=	815
7.	505	+		=	804
8.	952	+		=	1.182
9.	311	+		=	512
10.	863	+		=	1.651

Oefening 3
1.	721	+		=	1.376
2.	684	+		=	1.091
3.	787	+		=	1.125
4.	806	+		=	1.068
5.	574	+		=	1.069
6.	909	+		=	1.783
7.	809	+		=	1.030
8.	379	+		=	621
9.	683	+		=	1.026
10.	666	+		=	947

Oefening 4
1.	679	+		=	1.209
2.	841	+		=	1.152
3.	953	+		=	1.313
4.	510	+		=	909
5.	655	+		=	1.200
6.	862	+		=	1.374
7.	650	+		=	982
8.	575	+		=	1.017
9.	475	+		=	793
10.	810	+		=	1.194

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	878	+	854	=	1.732
2.	792	+	396	=	1.188
3.	660	+	298	=	958
4.	899	+	506	=	1.405
5.	483	+	473	=	956
6.	997	+	271	=	1.268
7.	565	+	413	=	978
8.	515	+	369	=	884
9.	884	+	470	=	1.354
10.	974	+	550	=	1.524

Oefening 2
1.	689	+	311	=	1.000
2.	598	+	430	=	1.028
3.	737	+	321	=	1.058
4.	814	+	210	=	1.024
5.	882	+	745	=	1.627
6.	543	+	272	=	815
7.	505	+	299	=	804
8.	952	+	230	=	1.182
9.	311	+	201	=	512
10.	863	+	788	=	1.651

Oefening 3
1.	721	+	655	=	1.376
2.	684	+	407	=	1.091
3.	787	+	338	=	1.125
4.	806	+	262	=	1.068
5.	574	+	495	=	1.069
6.	909	+	874	=	1.783
7.	809	+	221	=	1.030
8.	379	+	242	=	621
9.	683	+	343	=	1.026
10.	666	+	281	=	947

Oefening 4
1.	679	+	530	=	1.209
2.	841	+	311	=	1.152
3.	953	+	360	=	1.313
4.	510	+	399	=	909
5.	655	+	545	=	1.200
6.	862	+	512	=	1.374
7.	650	+	332	=	982
8.	575	+	442	=	1.017
9.	475	+	318	=	793
10.	810	+	384	=	1.194