Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	876	+		=	1.304
2.	550	+		=	889
3.	420	+		=	740
4.	806	+		=	1.170
5.	344	+		=	653
6.	487	+		=	881
7.	911	+		=	1.578
8.	624	+		=	915
9.	334	+		=	592
10.	578	+		=	1.010

Oefening 2
1.	790	+		=	1.431
2.	843	+		=	1.169
3.	826	+		=	1.234
4.	695	+		=	990
5.	843	+		=	1.359
6.	448	+		=	811
7.	453	+		=	861
8.	668	+		=	1.223
9.	824	+		=	1.548
10.	499	+		=	794

Oefening 3
1.	743	+		=	1.319
2.	743	+		=	1.041
3.	554	+		=	1.007
4.	898	+		=	1.546
5.	854	+		=	1.705
6.	750	+		=	1.011
7.	950	+		=	1.362
8.	849	+		=	1.440
9.	581	+		=	828
10.	647	+		=	1.162

Oefening 4
1.	715	+		=	933
2.	945	+		=	1.791
3.	421	+		=	682
4.	761	+		=	1.010
5.	987	+		=	1.391
6.	754	+		=	1.144
7.	741	+		=	1.016
8.	971	+		=	1.764
9.	968	+		=	1.570
10.	624	+		=	1.170

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	876	+	428	=	1.304
2.	550	+	339	=	889
3.	420	+	320	=	740
4.	806	+	364	=	1.170
5.	344	+	309	=	653
6.	487	+	394	=	881
7.	911	+	667	=	1.578
8.	624	+	291	=	915
9.	334	+	258	=	592
10.	578	+	432	=	1.010

Oefening 2
1.	790	+	641	=	1.431
2.	843	+	326	=	1.169
3.	826	+	408	=	1.234
4.	695	+	295	=	990
5.	843	+	516	=	1.359
6.	448	+	363	=	811
7.	453	+	408	=	861
8.	668	+	555	=	1.223
9.	824	+	724	=	1.548
10.	499	+	295	=	794

Oefening 3
1.	743	+	576	=	1.319
2.	743	+	298	=	1.041
3.	554	+	453	=	1.007
4.	898	+	648	=	1.546
5.	854	+	851	=	1.705
6.	750	+	261	=	1.011
7.	950	+	412	=	1.362
8.	849	+	591	=	1.440
9.	581	+	247	=	828
10.	647	+	515	=	1.162

Oefening 4
1.	715	+	218	=	933
2.	945	+	846	=	1.791
3.	421	+	261	=	682
4.	761	+	249	=	1.010
5.	987	+	404	=	1.391
6.	754	+	390	=	1.144
7.	741	+	275	=	1.016
8.	971	+	793	=	1.764
9.	968	+	602	=	1.570
10.	624	+	546	=	1.170