Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	587	+		=	991
2.	598	+		=	942
3.	774	+		=	1.399
4.	767	+		=	1.494
5.	933	+		=	1.380
6.	845	+		=	1.204
7.	688	+		=	1.072
8.	768	+		=	974
9.	839	+		=	1.579
10.	977	+		=	1.703

Oefening 2
1.	665	+		=	1.228
2.	889	+		=	1.660
3.	791	+		=	1.140
4.	870	+		=	1.353
5.	623	+		=	829
6.	997	+		=	1.584
7.	582	+		=	886
8.	560	+		=	1.065
9.	940	+		=	1.327
10.	582	+		=	861

Oefening 3
1.	698	+		=	1.005
2.	688	+		=	900
3.	631	+		=	1.018
4.	562	+		=	888
5.	493	+		=	706
6.	786	+		=	1.044
7.	776	+		=	1.142
8.	762	+		=	1.020
9.	956	+		=	1.411
10.	612	+		=	1.061

Oefening 4
1.	686	+		=	1.308
2.	832	+		=	1.156
3.	890	+		=	1.651
4.	898	+		=	1.363
5.	496	+		=	878
6.	931	+		=	1.320
7.	837	+		=	1.101
8.	753	+		=	1.045
9.	977	+		=	1.648
10.	888	+		=	1.653

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	587	+	404	=	991
2.	598	+	344	=	942
3.	774	+	625	=	1.399
4.	767	+	727	=	1.494
5.	933	+	447	=	1.380
6.	845	+	359	=	1.204
7.	688	+	384	=	1.072
8.	768	+	206	=	974
9.	839	+	740	=	1.579
10.	977	+	726	=	1.703

Oefening 2
1.	665	+	563	=	1.228
2.	889	+	771	=	1.660
3.	791	+	349	=	1.140
4.	870	+	483	=	1.353
5.	623	+	206	=	829
6.	997	+	587	=	1.584
7.	582	+	304	=	886
8.	560	+	505	=	1.065
9.	940	+	387	=	1.327
10.	582	+	279	=	861

Oefening 3
1.	698	+	307	=	1.005
2.	688	+	212	=	900
3.	631	+	387	=	1.018
4.	562	+	326	=	888
5.	493	+	213	=	706
6.	786	+	258	=	1.044
7.	776	+	366	=	1.142
8.	762	+	258	=	1.020
9.	956	+	455	=	1.411
10.	612	+	449	=	1.061

Oefening 4
1.	686	+	622	=	1.308
2.	832	+	324	=	1.156
3.	890	+	761	=	1.651
4.	898	+	465	=	1.363
5.	496	+	382	=	878
6.	931	+	389	=	1.320
7.	837	+	264	=	1.101
8.	753	+	292	=	1.045
9.	977	+	671	=	1.648
10.	888	+	765	=	1.653