Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	771	+		=	1.170
2.	915	+		=	1.774
3.	996	+		=	1.955
4.	307	+		=	508
5.	561	+		=	1.055
6.	428	+		=	693
7.	429	+		=	841
8.	444	+		=	875
9.	758	+		=	1.185
10.	783	+		=	1.542

Oefening 2
1.	774	+		=	1.514
2.	716	+		=	1.412
3.	956	+		=	1.760
4.	622	+		=	1.060
5.	815	+		=	1.504
6.	731	+		=	1.046
7.	962	+		=	1.517
8.	686	+		=	887
9.	977	+		=	1.641
10.	515	+		=	727

Oefening 3
1.	672	+		=	1.028
2.	734	+		=	969
3.	942	+		=	1.830
4.	777	+		=	1.542
5.	686	+		=	1.056
6.	666	+		=	876
7.	663	+		=	1.076
8.	984	+		=	1.465
9.	826	+		=	1.635
10.	896	+		=	1.694

Oefening 4
1.	878	+		=	1.357
2.	582	+		=	952
3.	999	+		=	1.282
4.	785	+		=	1.163
5.	266	+		=	482
6.	950	+		=	1.678
7.	507	+		=	895
8.	505	+		=	848
9.	891	+		=	1.239
10.	758	+		=	990

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	771	+	399	=	1.170
2.	915	+	859	=	1.774
3.	996	+	959	=	1.955
4.	307	+	201	=	508
5.	561	+	494	=	1.055
6.	428	+	265	=	693
7.	429	+	412	=	841
8.	444	+	431	=	875
9.	758	+	427	=	1.185
10.	783	+	759	=	1.542

Oefening 2
1.	774	+	740	=	1.514
2.	716	+	696	=	1.412
3.	956	+	804	=	1.760
4.	622	+	438	=	1.060
5.	815	+	689	=	1.504
6.	731	+	315	=	1.046
7.	962	+	555	=	1.517
8.	686	+	201	=	887
9.	977	+	664	=	1.641
10.	515	+	212	=	727

Oefening 3
1.	672	+	356	=	1.028
2.	734	+	235	=	969
3.	942	+	888	=	1.830
4.	777	+	765	=	1.542
5.	686	+	370	=	1.056
6.	666	+	210	=	876
7.	663	+	413	=	1.076
8.	984	+	481	=	1.465
9.	826	+	809	=	1.635
10.	896	+	798	=	1.694

Oefening 4
1.	878	+	479	=	1.357
2.	582	+	370	=	952
3.	999	+	283	=	1.282
4.	785	+	378	=	1.163
5.	266	+	216	=	482
6.	950	+	728	=	1.678
7.	507	+	388	=	895
8.	505	+	343	=	848
9.	891	+	348	=	1.239
10.	758	+	232	=	990