Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	789	+		=	1.001
2.	839	+		=	1.098
3.	442	+		=	771
4.	337	+		=	664
5.	957	+		=	1.242
6.	712	+		=	1.113
7.	889	+		=	1.104
8.	845	+		=	1.492
9.	410	+		=	624
10.	704	+		=	908

Oefening 2
1.	867	+		=	1.508
2.	709	+		=	985
3.	751	+		=	1.350
4.	782	+		=	1.305
5.	405	+		=	773
6.	884	+		=	1.157
7.	887	+		=	1.589
8.	783	+		=	1.407
9.	953	+		=	1.197
10.	619	+		=	911

Oefening 3
1.	755	+		=	997
2.	328	+		=	543
3.	679	+		=	922
4.	522	+		=	872
5.	603	+		=	810
6.	781	+		=	1.252
7.	505	+		=	790
8.	761	+		=	1.401
9.	880	+		=	1.620
10.	769	+		=	1.230

Oefening 4
1.	849	+		=	1.580
2.	908	+		=	1.377
3.	950	+		=	1.473
4.	892	+		=	1.360
5.	773	+		=	1.181
6.	776	+		=	1.231
7.	861	+		=	1.460
8.	924	+		=	1.239
9.	852	+		=	1.314
10.	599	+		=	1.136

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	789	+	212	=	1.001
2.	839	+	259	=	1.098
3.	442	+	329	=	771
4.	337	+	327	=	664
5.	957	+	285	=	1.242
6.	712	+	401	=	1.113
7.	889	+	215	=	1.104
8.	845	+	647	=	1.492
9.	410	+	214	=	624
10.	704	+	204	=	908

Oefening 2
1.	867	+	641	=	1.508
2.	709	+	276	=	985
3.	751	+	599	=	1.350
4.	782	+	523	=	1.305
5.	405	+	368	=	773
6.	884	+	273	=	1.157
7.	887	+	702	=	1.589
8.	783	+	624	=	1.407
9.	953	+	244	=	1.197
10.	619	+	292	=	911

Oefening 3
1.	755	+	242	=	997
2.	328	+	215	=	543
3.	679	+	243	=	922
4.	522	+	350	=	872
5.	603	+	207	=	810
6.	781	+	471	=	1.252
7.	505	+	285	=	790
8.	761	+	640	=	1.401
9.	880	+	740	=	1.620
10.	769	+	461	=	1.230

Oefening 4
1.	849	+	731	=	1.580
2.	908	+	469	=	1.377
3.	950	+	523	=	1.473
4.	892	+	468	=	1.360
5.	773	+	408	=	1.181
6.	776	+	455	=	1.231
7.	861	+	599	=	1.460
8.	924	+	315	=	1.239
9.	852	+	462	=	1.314
10.	599	+	537	=	1.136