Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	530	+		=	921
2.	863	+		=	1.101
3.	326	+		=	645
4.	871	+		=	1.145
5.	620	+		=	889
6.	500	+		=	721
7.	845	+		=	1.253
8.	804	+		=	1.419
9.	545	+		=	804
10.	757	+		=	1.394

Oefening 2
1.	629	+		=	870
2.	872	+		=	1.506
3.	728	+		=	1.218
4.	748	+		=	1.013
5.	824	+		=	1.197
6.	389	+		=	714
7.	683	+		=	1.257
8.	629	+		=	1.015
9.	678	+		=	1.297
10.	309	+		=	589

Oefening 3
1.	415	+		=	771
2.	742	+		=	1.071
3.	987	+		=	1.346
4.	954	+		=	1.421
5.	774	+		=	1.009
6.	659	+		=	979
7.	658	+		=	1.143
8.	456	+		=	826
9.	843	+		=	1.067
10.	483	+		=	844

Oefening 4
1.	641	+		=	1.130
2.	662	+		=	907
3.	669	+		=	1.318
4.	925	+		=	1.406
5.	932	+		=	1.455
6.	797	+		=	1.087
7.	826	+		=	1.440
8.	455	+		=	756
9.	676	+		=	1.286
10.	918	+		=	1.172

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	530	+	391	=	921
2.	863	+	238	=	1.101
3.	326	+	319	=	645
4.	871	+	274	=	1.145
5.	620	+	269	=	889
6.	500	+	221	=	721
7.	845	+	408	=	1.253
8.	804	+	615	=	1.419
9.	545	+	259	=	804
10.	757	+	637	=	1.394

Oefening 2
1.	629	+	241	=	870
2.	872	+	634	=	1.506
3.	728	+	490	=	1.218
4.	748	+	265	=	1.013
5.	824	+	373	=	1.197
6.	389	+	325	=	714
7.	683	+	574	=	1.257
8.	629	+	386	=	1.015
9.	678	+	619	=	1.297
10.	309	+	280	=	589

Oefening 3
1.	415	+	356	=	771
2.	742	+	329	=	1.071
3.	987	+	359	=	1.346
4.	954	+	467	=	1.421
5.	774	+	235	=	1.009
6.	659	+	320	=	979
7.	658	+	485	=	1.143
8.	456	+	370	=	826
9.	843	+	224	=	1.067
10.	483	+	361	=	844

Oefening 4
1.	641	+	489	=	1.130
2.	662	+	245	=	907
3.	669	+	649	=	1.318
4.	925	+	481	=	1.406
5.	932	+	523	=	1.455
6.	797	+	290	=	1.087
7.	826	+	614	=	1.440
8.	455	+	301	=	756
9.	676	+	610	=	1.286
10.	918	+	254	=	1.172