Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	891	+		=	1.211
2.	771	+		=	1.080
3.	872	+		=	1.337
4.	840	+		=	1.247
5.	872	+		=	1.601
6.	702	+		=	1.033
7.	608	+		=	868
8.	435	+		=	864
9.	936	+		=	1.747
10.	836	+		=	1.424

Oefening 2
1.	679	+		=	1.094
2.	985	+		=	1.283
3.	635	+		=	883
4.	980	+		=	1.923
5.	359	+		=	645
6.	452	+		=	903
7.	732	+		=	1.193
8.	366	+		=	710
9.	897	+		=	1.453
10.	709	+		=	1.256

Oefening 3
1.	313	+		=	535
2.	924	+		=	1.239
3.	586	+		=	839
4.	833	+		=	1.268
5.	724	+		=	1.383
6.	987	+		=	1.627
7.	295	+		=	498
8.	866	+		=	1.467
9.	985	+		=	1.467
10.	797	+		=	1.351

Oefening 4
1.	901	+		=	1.690
2.	889	+		=	1.736
3.	939	+		=	1.801
4.	560	+		=	812
5.	761	+		=	973
6.	997	+		=	1.637
7.	561	+		=	1.025
8.	899	+		=	1.661
9.	663	+		=	1.260
10.	624	+		=	1.179

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	891	+	320	=	1.211
2.	771	+	309	=	1.080
3.	872	+	465	=	1.337
4.	840	+	407	=	1.247
5.	872	+	729	=	1.601
6.	702	+	331	=	1.033
7.	608	+	260	=	868
8.	435	+	429	=	864
9.	936	+	811	=	1.747
10.	836	+	588	=	1.424

Oefening 2
1.	679	+	415	=	1.094
2.	985	+	298	=	1.283
3.	635	+	248	=	883
4.	980	+	943	=	1.923
5.	359	+	286	=	645
6.	452	+	451	=	903
7.	732	+	461	=	1.193
8.	366	+	344	=	710
9.	897	+	556	=	1.453
10.	709	+	547	=	1.256

Oefening 3
1.	313	+	222	=	535
2.	924	+	315	=	1.239
3.	586	+	253	=	839
4.	833	+	435	=	1.268
5.	724	+	659	=	1.383
6.	987	+	640	=	1.627
7.	295	+	203	=	498
8.	866	+	601	=	1.467
9.	985	+	482	=	1.467
10.	797	+	554	=	1.351

Oefening 4
1.	901	+	789	=	1.690
2.	889	+	847	=	1.736
3.	939	+	862	=	1.801
4.	560	+	252	=	812
5.	761	+	212	=	973
6.	997	+	640	=	1.637
7.	561	+	464	=	1.025
8.	899	+	762	=	1.661
9.	663	+	597	=	1.260
10.	624	+	555	=	1.179