Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	451	+		=	843
2.	418	+		=	760
3.	479	+		=	766
4.	508	+		=	949
5.	879	+		=	1.435
6.	516	+		=	762
7.	601	+		=	999
8.	791	+		=	1.475
9.	864	+		=	1.608
10.	415	+		=	622

Oefening 2
1.	848	+		=	1.453
2.	916	+		=	1.687
3.	511	+		=	722
4.	567	+		=	988
5.	691	+		=	1.091
6.	810	+		=	1.209
7.	810	+		=	1.545
8.	862	+		=	1.360
9.	999	+		=	1.813
10.	936	+		=	1.634

Oefening 3
1.	724	+		=	951
2.	773	+		=	979
3.	784	+		=	1.323
4.	986	+		=	1.310
5.	967	+		=	1.663
6.	967	+		=	1.636
7.	863	+		=	1.415
8.	868	+		=	1.725
9.	798	+		=	1.224
10.	774	+		=	1.119

Oefening 4
1.	902	+		=	1.526
2.	438	+		=	869
3.	445	+		=	673
4.	853	+		=	1.161
5.	745	+		=	1.058
6.	714	+		=	999
7.	713	+		=	1.321
8.	748	+		=	1.051
9.	864	+		=	1.273
10.	845	+		=	1.197

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	451	+	392	=	843
2.	418	+	342	=	760
3.	479	+	287	=	766
4.	508	+	441	=	949
5.	879	+	556	=	1.435
6.	516	+	246	=	762
7.	601	+	398	=	999
8.	791	+	684	=	1.475
9.	864	+	744	=	1.608
10.	415	+	207	=	622

Oefening 2
1.	848	+	605	=	1.453
2.	916	+	771	=	1.687
3.	511	+	211	=	722
4.	567	+	421	=	988
5.	691	+	400	=	1.091
6.	810	+	399	=	1.209
7.	810	+	735	=	1.545
8.	862	+	498	=	1.360
9.	999	+	814	=	1.813
10.	936	+	698	=	1.634

Oefening 3
1.	724	+	227	=	951
2.	773	+	206	=	979
3.	784	+	539	=	1.323
4.	986	+	324	=	1.310
5.	967	+	696	=	1.663
6.	967	+	669	=	1.636
7.	863	+	552	=	1.415
8.	868	+	857	=	1.725
9.	798	+	426	=	1.224
10.	774	+	345	=	1.119

Oefening 4
1.	902	+	624	=	1.526
2.	438	+	431	=	869
3.	445	+	228	=	673
4.	853	+	308	=	1.161
5.	745	+	313	=	1.058
6.	714	+	285	=	999
7.	713	+	608	=	1.321
8.	748	+	303	=	1.051
9.	864	+	409	=	1.273
10.	845	+	352	=	1.197