Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	849	+		=	1.294
2.	829	+		=	1.513
3.	856	+		=	1.598
4.	231	+		=	457
5.	549	+		=	773
6.	648	+		=	1.054
7.	731	+		=	1.462
8.	463	+		=	792
9.	545	+		=	879
10.	987	+		=	1.767

Oefening 2
1.	218	+		=	427
2.	922	+		=	1.302
3.	385	+		=	627
4.	923	+		=	1.794
5.	995	+		=	1.387
6.	794	+		=	1.250
7.	952	+		=	1.194
8.	842	+		=	1.608
9.	786	+		=	1.116
10.	769	+		=	1.082

Oefening 3
1.	332	+		=	603
2.	919	+		=	1.285
3.	755	+		=	1.253
4.	788	+		=	1.221
5.	975	+		=	1.876
6.	544	+		=	820
7.	938	+		=	1.792
8.	265	+		=	511
9.	780	+		=	1.310
10.	687	+		=	1.001

Oefening 4
1.	898	+		=	1.283
2.	919	+		=	1.805
3.	774	+		=	1.527
4.	694	+		=	1.123
5.	760	+		=	1.076
6.	913	+		=	1.699
7.	773	+		=	1.005
8.	988	+		=	1.331
9.	903	+		=	1.690
10.	515	+		=	941

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	849	+	445	=	1.294
2.	829	+	684	=	1.513
3.	856	+	742	=	1.598
4.	231	+	226	=	457
5.	549	+	224	=	773
6.	648	+	406	=	1.054
7.	731	+	731	=	1.462
8.	463	+	329	=	792
9.	545	+	334	=	879
10.	987	+	780	=	1.767

Oefening 2
1.	218	+	209	=	427
2.	922	+	380	=	1.302
3.	385	+	242	=	627
4.	923	+	871	=	1.794
5.	995	+	392	=	1.387
6.	794	+	456	=	1.250
7.	952	+	242	=	1.194
8.	842	+	766	=	1.608
9.	786	+	330	=	1.116
10.	769	+	313	=	1.082

Oefening 3
1.	332	+	271	=	603
2.	919	+	366	=	1.285
3.	755	+	498	=	1.253
4.	788	+	433	=	1.221
5.	975	+	901	=	1.876
6.	544	+	276	=	820
7.	938	+	854	=	1.792
8.	265	+	246	=	511
9.	780	+	530	=	1.310
10.	687	+	314	=	1.001

Oefening 4
1.	898	+	385	=	1.283
2.	919	+	886	=	1.805
3.	774	+	753	=	1.527
4.	694	+	429	=	1.123
5.	760	+	316	=	1.076
6.	913	+	786	=	1.699
7.	773	+	232	=	1.005
8.	988	+	343	=	1.331
9.	903	+	787	=	1.690
10.	515	+	426	=	941