Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	814	+		=	1.307
2.	907	+		=	1.410
3.	600	+		=	992
4.	791	+		=	1.083
5.	843	+		=	1.325
6.	650	+		=	1.155
7.	957	+		=	1.859
8.	767	+		=	1.197
9.	605	+		=	915
10.	809	+		=	1.091

Oefening 2
1.	865	+		=	1.300
2.	710	+		=	1.396
3.	713	+		=	1.172
4.	786	+		=	1.313
5.	705	+		=	1.046
6.	720	+		=	1.362
7.	523	+		=	903
8.	948	+		=	1.610
9.	864	+		=	1.557
10.	559	+		=	836

Oefening 3
1.	947	+		=	1.880
2.	414	+		=	689
3.	919	+		=	1.815
4.	521	+		=	798
5.	526	+		=	884
6.	747	+		=	1.201
7.	856	+		=	1.329
8.	436	+		=	795
9.	932	+		=	1.770
10.	754	+		=	1.243

Oefening 4
1.	974	+		=	1.302
2.	541	+		=	831
3.	569	+		=	1.078
4.	429	+		=	644
5.	936	+		=	1.521
6.	579	+		=	1.027
7.	771	+		=	1.023
8.	808	+		=	1.051
9.	459	+		=	743
10.	836	+		=	1.258

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	814	+	493	=	1.307
2.	907	+	503	=	1.410
3.	600	+	392	=	992
4.	791	+	292	=	1.083
5.	843	+	482	=	1.325
6.	650	+	505	=	1.155
7.	957	+	902	=	1.859
8.	767	+	430	=	1.197
9.	605	+	310	=	915
10.	809	+	282	=	1.091

Oefening 2
1.	865	+	435	=	1.300
2.	710	+	686	=	1.396
3.	713	+	459	=	1.172
4.	786	+	527	=	1.313
5.	705	+	341	=	1.046
6.	720	+	642	=	1.362
7.	523	+	380	=	903
8.	948	+	662	=	1.610
9.	864	+	693	=	1.557
10.	559	+	277	=	836

Oefening 3
1.	947	+	933	=	1.880
2.	414	+	275	=	689
3.	919	+	896	=	1.815
4.	521	+	277	=	798
5.	526	+	358	=	884
6.	747	+	454	=	1.201
7.	856	+	473	=	1.329
8.	436	+	359	=	795
9.	932	+	838	=	1.770
10.	754	+	489	=	1.243

Oefening 4
1.	974	+	328	=	1.302
2.	541	+	290	=	831
3.	569	+	509	=	1.078
4.	429	+	215	=	644
5.	936	+	585	=	1.521
6.	579	+	448	=	1.027
7.	771	+	252	=	1.023
8.	808	+	243	=	1.051
9.	459	+	284	=	743
10.	836	+	422	=	1.258