Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	424	+		=	705
2.	487	+		=	816
3.	365	+		=	623
4.	787	+		=	1.039
5.	546	+		=	986
6.	448	+		=	678
7.	499	+		=	779
8.	492	+		=	851
9.	806	+		=	1.012
10.	804	+		=	1.293

Oefening 2
1.	969	+		=	1.474
2.	697	+		=	1.354
3.	595	+		=	925
4.	362	+		=	600
5.	798	+		=	1.594
6.	596	+		=	881
7.	537	+		=	774
8.	862	+		=	1.453
9.	411	+		=	797
10.	929	+		=	1.266

Oefening 3
1.	690	+		=	1.172
2.	489	+		=	774
3.	819	+		=	1.512
4.	823	+		=	1.247
5.	697	+		=	1.095
6.	727	+		=	1.188
7.	575	+		=	1.096
8.	440	+		=	849
9.	665	+		=	872
10.	983	+		=	1.488

Oefening 4
1.	745	+		=	957
2.	802	+		=	1.256
3.	609	+		=	1.030
4.	467	+		=	826
5.	590	+		=	896
6.	969	+		=	1.649
7.	569	+		=	1.084
8.	596	+		=	1.064
9.	665	+		=	1.062
10.	480	+		=	939

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	424	+	281	=	705
2.	487	+	329	=	816
3.	365	+	258	=	623
4.	787	+	252	=	1.039
5.	546	+	440	=	986
6.	448	+	230	=	678
7.	499	+	280	=	779
8.	492	+	359	=	851
9.	806	+	206	=	1.012
10.	804	+	489	=	1.293

Oefening 2
1.	969	+	505	=	1.474
2.	697	+	657	=	1.354
3.	595	+	330	=	925
4.	362	+	238	=	600
5.	798	+	796	=	1.594
6.	596	+	285	=	881
7.	537	+	237	=	774
8.	862	+	591	=	1.453
9.	411	+	386	=	797
10.	929	+	337	=	1.266

Oefening 3
1.	690	+	482	=	1.172
2.	489	+	285	=	774
3.	819	+	693	=	1.512
4.	823	+	424	=	1.247
5.	697	+	398	=	1.095
6.	727	+	461	=	1.188
7.	575	+	521	=	1.096
8.	440	+	409	=	849
9.	665	+	207	=	872
10.	983	+	505	=	1.488

Oefening 4
1.	745	+	212	=	957
2.	802	+	454	=	1.256
3.	609	+	421	=	1.030
4.	467	+	359	=	826
5.	590	+	306	=	896
6.	969	+	680	=	1.649
7.	569	+	515	=	1.084
8.	596	+	468	=	1.064
9.	665	+	397	=	1.062
10.	480	+	459	=	939