Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	838	+		=	1.085
2.	725	+		=	1.316
3.	571	+		=	956
4.	534	+		=	896
5.	668	+		=	1.081
6.	499	+		=	822
7.	500	+		=	834
8.	795	+		=	1.573
9.	684	+		=	947
10.	980	+		=	1.943

Oefening 2
1.	997	+		=	1.541
2.	550	+		=	1.042
3.	805	+		=	1.540
4.	771	+		=	1.511
5.	717	+		=	1.191
6.	794	+		=	1.410
7.	416	+		=	789
8.	367	+		=	569
9.	895	+		=	1.164
10.	843	+		=	1.107

Oefening 3
1.	800	+		=	1.334
2.	437	+		=	749
3.	330	+		=	648
4.	785	+		=	1.064
5.	985	+		=	1.238
6.	782	+		=	1.512
7.	520	+		=	818
8.	978	+		=	1.423
9.	475	+		=	949
10.	994	+		=	1.261

Oefening 4
1.	872	+		=	1.246
2.	929	+		=	1.173
3.	895	+		=	1.666
4.	903	+		=	1.198
5.	974	+		=	1.793
6.	551	+		=	991
7.	909	+		=	1.791
8.	665	+		=	931
9.	722	+		=	1.353
10.	307	+		=	547

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	838	+	247	=	1.085
2.	725	+	591	=	1.316
3.	571	+	385	=	956
4.	534	+	362	=	896
5.	668	+	413	=	1.081
6.	499	+	323	=	822
7.	500	+	334	=	834
8.	795	+	778	=	1.573
9.	684	+	263	=	947
10.	980	+	963	=	1.943

Oefening 2
1.	997	+	544	=	1.541
2.	550	+	492	=	1.042
3.	805	+	735	=	1.540
4.	771	+	740	=	1.511
5.	717	+	474	=	1.191
6.	794	+	616	=	1.410
7.	416	+	373	=	789
8.	367	+	202	=	569
9.	895	+	269	=	1.164
10.	843	+	264	=	1.107

Oefening 3
1.	800	+	534	=	1.334
2.	437	+	312	=	749
3.	330	+	318	=	648
4.	785	+	279	=	1.064
5.	985	+	253	=	1.238
6.	782	+	730	=	1.512
7.	520	+	298	=	818
8.	978	+	445	=	1.423
9.	475	+	474	=	949
10.	994	+	267	=	1.261

Oefening 4
1.	872	+	374	=	1.246
2.	929	+	244	=	1.173
3.	895	+	771	=	1.666
4.	903	+	295	=	1.198
5.	974	+	819	=	1.793
6.	551	+	440	=	991
7.	909	+	882	=	1.791
8.	665	+	266	=	931
9.	722	+	631	=	1.353
10.	307	+	240	=	547