Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	426	+		=	773
2.	658	+		=	864
3.	789	+		=	1.139
4.	875	+		=	1.103
5.	451	+		=	758
6.	836	+		=	1.347
7.	702	+		=	1.073
8.	627	+		=	1.007
9.	791	+		=	1.565
10.	928	+		=	1.576

Oefening 2
1.	893	+		=	1.332
2.	952	+		=	1.213
3.	744	+		=	1.476
4.	742	+		=	1.447
5.	611	+		=	1.176
6.	640	+		=	881
7.	671	+		=	1.005
8.	347	+		=	605
9.	956	+		=	1.755
10.	756	+		=	1.230

Oefening 3
1.	781	+		=	1.151
2.	820	+		=	1.284
3.	720	+		=	1.334
4.	552	+		=	1.030
5.	613	+		=	951
6.	827	+		=	1.343
7.	938	+		=	1.674
8.	821	+		=	1.133
9.	278	+		=	521
10.	469	+		=	922

Oefening 4
1.	971	+		=	1.628
2.	949	+		=	1.203
3.	650	+		=	1.031
4.	837	+		=	1.156
5.	767	+		=	1.046
6.	953	+		=	1.401
7.	630	+		=	876
8.	863	+		=	1.145
9.	558	+		=	926
10.	665	+		=	984

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	426	+	347	=	773
2.	658	+	206	=	864
3.	789	+	350	=	1.139
4.	875	+	228	=	1.103
5.	451	+	307	=	758
6.	836	+	511	=	1.347
7.	702	+	371	=	1.073
8.	627	+	380	=	1.007
9.	791	+	774	=	1.565
10.	928	+	648	=	1.576

Oefening 2
1.	893	+	439	=	1.332
2.	952	+	261	=	1.213
3.	744	+	732	=	1.476
4.	742	+	705	=	1.447
5.	611	+	565	=	1.176
6.	640	+	241	=	881
7.	671	+	334	=	1.005
8.	347	+	258	=	605
9.	956	+	799	=	1.755
10.	756	+	474	=	1.230

Oefening 3
1.	781	+	370	=	1.151
2.	820	+	464	=	1.284
3.	720	+	614	=	1.334
4.	552	+	478	=	1.030
5.	613	+	338	=	951
6.	827	+	516	=	1.343
7.	938	+	736	=	1.674
8.	821	+	312	=	1.133
9.	278	+	243	=	521
10.	469	+	453	=	922

Oefening 4
1.	971	+	657	=	1.628
2.	949	+	254	=	1.203
3.	650	+	381	=	1.031
4.	837	+	319	=	1.156
5.	767	+	279	=	1.046
6.	953	+	448	=	1.401
7.	630	+	246	=	876
8.	863	+	282	=	1.145
9.	558	+	368	=	926
10.	665	+	319	=	984