Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	386	+		=	748
2.	880	+		=	1.214
3.	836	+		=	1.486
4.	730	+		=	1.282
5.	515	+		=	896
6.	801	+		=	1.582
7.	592	+		=	919
8.	593	+		=	1.082
9.	782	+		=	1.136
10.	658	+		=	946

Oefening 2
1.	694	+		=	965
2.	887	+		=	1.250
3.	505	+		=	785
4.	296	+		=	532
5.	996	+		=	1.413
6.	493	+		=	941
7.	534	+		=	1.001
8.	990	+		=	1.618
9.	639	+		=	1.080
10.	281	+		=	505

Oefening 3
1.	887	+		=	1.437
2.	846	+		=	1.674
3.	926	+		=	1.439
4.	397	+		=	777
5.	418	+		=	642
6.	385	+		=	625
7.	707	+		=	1.191
8.	993	+		=	1.868
9.	992	+		=	1.928
10.	999	+		=	1.789

Oefening 4
1.	429	+		=	699
2.	636	+		=	1.229
3.	671	+		=	1.139
4.	637	+		=	1.270
5.	817	+		=	1.568
6.	865	+		=	1.587
7.	407	+		=	661
8.	964	+		=	1.596
9.	608	+		=	982
10.	961	+		=	1.659

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	386	+	362	=	748
2.	880	+	334	=	1.214
3.	836	+	650	=	1.486
4.	730	+	552	=	1.282
5.	515	+	381	=	896
6.	801	+	781	=	1.582
7.	592	+	327	=	919
8.	593	+	489	=	1.082
9.	782	+	354	=	1.136
10.	658	+	288	=	946

Oefening 2
1.	694	+	271	=	965
2.	887	+	363	=	1.250
3.	505	+	280	=	785
4.	296	+	236	=	532
5.	996	+	417	=	1.413
6.	493	+	448	=	941
7.	534	+	467	=	1.001
8.	990	+	628	=	1.618
9.	639	+	441	=	1.080
10.	281	+	224	=	505

Oefening 3
1.	887	+	550	=	1.437
2.	846	+	828	=	1.674
3.	926	+	513	=	1.439
4.	397	+	380	=	777
5.	418	+	224	=	642
6.	385	+	240	=	625
7.	707	+	484	=	1.191
8.	993	+	875	=	1.868
9.	992	+	936	=	1.928
10.	999	+	790	=	1.789

Oefening 4
1.	429	+	270	=	699
2.	636	+	593	=	1.229
3.	671	+	468	=	1.139
4.	637	+	633	=	1.270
5.	817	+	751	=	1.568
6.	865	+	722	=	1.587
7.	407	+	254	=	661
8.	964	+	632	=	1.596
9.	608	+	374	=	982
10.	961	+	698	=	1.659