Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	783	+		=	1.395
2.	590	+		=	1.175
3.	507	+		=	843
4.	819	+		=	1.357
5.	906	+		=	1.385
6.	504	+		=	993
7.	576	+		=	903
8.	853	+		=	1.644
9.	632	+		=	1.107
10.	835	+		=	1.202

Oefening 2
1.	857	+		=	1.165
2.	843	+		=	1.085
3.	501	+		=	999
4.	471	+		=	771
5.	532	+		=	744
6.	895	+		=	1.355
7.	528	+		=	943
8.	896	+		=	1.656
9.	684	+		=	936
10.	650	+		=	1.194

Oefening 3
1.	527	+		=	794
2.	842	+		=	1.213
3.	705	+		=	1.219
4.	965	+		=	1.315
5.	694	+		=	1.115
6.	977	+		=	1.460
7.	807	+		=	1.413
8.	971	+		=	1.322
9.	789	+		=	1.426
10.	818	+		=	1.252

Oefening 4
1.	576	+		=	876
2.	988	+		=	1.204
3.	572	+		=	1.000
4.	816	+		=	1.619
5.	967	+		=	1.390
6.	880	+		=	1.092
7.	925	+		=	1.825
8.	343	+		=	544
9.	975	+		=	1.531
10.	785	+		=	1.287

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	783	+	612	=	1.395
2.	590	+	585	=	1.175
3.	507	+	336	=	843
4.	819	+	538	=	1.357
5.	906	+	479	=	1.385
6.	504	+	489	=	993
7.	576	+	327	=	903
8.	853	+	791	=	1.644
9.	632	+	475	=	1.107
10.	835	+	367	=	1.202

Oefening 2
1.	857	+	308	=	1.165
2.	843	+	242	=	1.085
3.	501	+	498	=	999
4.	471	+	300	=	771
5.	532	+	212	=	744
6.	895	+	460	=	1.355
7.	528	+	415	=	943
8.	896	+	760	=	1.656
9.	684	+	252	=	936
10.	650	+	544	=	1.194

Oefening 3
1.	527	+	267	=	794
2.	842	+	371	=	1.213
3.	705	+	514	=	1.219
4.	965	+	350	=	1.315
5.	694	+	421	=	1.115
6.	977	+	483	=	1.460
7.	807	+	606	=	1.413
8.	971	+	351	=	1.322
9.	789	+	637	=	1.426
10.	818	+	434	=	1.252

Oefening 4
1.	576	+	300	=	876
2.	988	+	216	=	1.204
3.	572	+	428	=	1.000
4.	816	+	803	=	1.619
5.	967	+	423	=	1.390
6.	880	+	212	=	1.092
7.	925	+	900	=	1.825
8.	343	+	201	=	544
9.	975	+	556	=	1.531
10.	785	+	502	=	1.287