Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	651	+		=	991
2.	436	+		=	788
3.	754	+		=	1.241
4.	933	+		=	1.861
5.	370	+		=	661
6.	454	+		=	833
7.	370	+		=	639
8.	373	+		=	589
9.	887	+		=	1.760
10.	386	+		=	599

Oefening 2
1.	847	+		=	1.197
2.	714	+		=	1.180
3.	745	+		=	1.457
4.	911	+		=	1.821
5.	764	+		=	1.118
6.	849	+		=	1.192
7.	813	+		=	1.320
8.	580	+		=	992
9.	641	+		=	964
10.	951	+		=	1.248

Oefening 3
1.	552	+		=	941
2.	650	+		=	1.250
3.	481	+		=	782
4.	819	+		=	1.384
5.	591	+		=	950
6.	879	+		=	1.123
7.	911	+		=	1.176
8.	821	+		=	1.331
9.	723	+		=	959
10.	387	+		=	708

Oefening 4
1.	440	+		=	819
2.	977	+		=	1.398
3.	705	+		=	1.044
4.	811	+		=	1.542
5.	926	+		=	1.192
6.	628	+		=	971
7.	789	+		=	1.400
8.	782	+		=	1.451
9.	440	+		=	757
10.	619	+		=	848

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	651	+	340	=	991
2.	436	+	352	=	788
3.	754	+	487	=	1.241
4.	933	+	928	=	1.861
5.	370	+	291	=	661
6.	454	+	379	=	833
7.	370	+	269	=	639
8.	373	+	216	=	589
9.	887	+	873	=	1.760
10.	386	+	213	=	599

Oefening 2
1.	847	+	350	=	1.197
2.	714	+	466	=	1.180
3.	745	+	712	=	1.457
4.	911	+	910	=	1.821
5.	764	+	354	=	1.118
6.	849	+	343	=	1.192
7.	813	+	507	=	1.320
8.	580	+	412	=	992
9.	641	+	323	=	964
10.	951	+	297	=	1.248

Oefening 3
1.	552	+	389	=	941
2.	650	+	600	=	1.250
3.	481	+	301	=	782
4.	819	+	565	=	1.384
5.	591	+	359	=	950
6.	879	+	244	=	1.123
7.	911	+	265	=	1.176
8.	821	+	510	=	1.331
9.	723	+	236	=	959
10.	387	+	321	=	708

Oefening 4
1.	440	+	379	=	819
2.	977	+	421	=	1.398
3.	705	+	339	=	1.044
4.	811	+	731	=	1.542
5.	926	+	266	=	1.192
6.	628	+	343	=	971
7.	789	+	611	=	1.400
8.	782	+	669	=	1.451
9.	440	+	317	=	757
10.	619	+	229	=	848