Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	870	+		=	1.732
2.	905	+		=	1.546
3.	577	+		=	1.018
4.	807	+		=	1.189
5.	496	+		=	917
6.	699	+		=	1.271
7.	401	+		=	697
8.	980	+		=	1.725
9.	759	+		=	1.282
10.	905	+		=	1.110

Oefening 2
1.	752	+		=	1.254
2.	591	+		=	1.050
3.	930	+		=	1.430
4.	697	+		=	1.231
5.	600	+		=	847
6.	673	+		=	1.311
7.	648	+		=	1.062
8.	575	+		=	947
9.	681	+		=	1.052
10.	871	+		=	1.209

Oefening 3
1.	943	+		=	1.854
2.	769	+		=	1.424
3.	527	+		=	829
4.	764	+		=	1.197
5.	511	+		=	877
6.	827	+		=	1.232
7.	662	+		=	956
8.	630	+		=	1.088
9.	319	+		=	586
10.	841	+		=	1.365

Oefening 4
1.	803	+		=	1.064
2.	489	+		=	928
3.	941	+		=	1.740
4.	678	+		=	1.149
5.	387	+		=	590
6.	603	+		=	1.066
7.	898	+		=	1.173
8.	702	+		=	1.124
9.	755	+		=	966
10.	505	+		=	710

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	870	+	862	=	1.732
2.	905	+	641	=	1.546
3.	577	+	441	=	1.018
4.	807	+	382	=	1.189
5.	496	+	421	=	917
6.	699	+	572	=	1.271
7.	401	+	296	=	697
8.	980	+	745	=	1.725
9.	759	+	523	=	1.282
10.	905	+	205	=	1.110

Oefening 2
1.	752	+	502	=	1.254
2.	591	+	459	=	1.050
3.	930	+	500	=	1.430
4.	697	+	534	=	1.231
5.	600	+	247	=	847
6.	673	+	638	=	1.311
7.	648	+	414	=	1.062
8.	575	+	372	=	947
9.	681	+	371	=	1.052
10.	871	+	338	=	1.209

Oefening 3
1.	943	+	911	=	1.854
2.	769	+	655	=	1.424
3.	527	+	302	=	829
4.	764	+	433	=	1.197
5.	511	+	366	=	877
6.	827	+	405	=	1.232
7.	662	+	294	=	956
8.	630	+	458	=	1.088
9.	319	+	267	=	586
10.	841	+	524	=	1.365

Oefening 4
1.	803	+	261	=	1.064
2.	489	+	439	=	928
3.	941	+	799	=	1.740
4.	678	+	471	=	1.149
5.	387	+	203	=	590
6.	603	+	463	=	1.066
7.	898	+	275	=	1.173
8.	702	+	422	=	1.124
9.	755	+	211	=	966
10.	505	+	205	=	710