Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	885	+		=	1.382
2.	846	+		=	1.611
3.	863	+		=	1.443
4.	696	+		=	966
5.	514	+		=	982
6.	975	+		=	1.686
7.	681	+		=	1.361
8.	967	+		=	1.218
9.	422	+		=	804
10.	489	+		=	891

Oefening 2
1.	753	+		=	1.324
2.	338	+		=	541
3.	506	+		=	1.010
4.	375	+		=	674
5.	972	+		=	1.295
6.	875	+		=	1.394
7.	825	+		=	1.565
8.	617	+		=	829
9.	674	+		=	1.194
10.	870	+		=	1.183

Oefening 3
1.	796	+		=	1.289
2.	710	+		=	1.167
3.	836	+		=	1.052
4.	699	+		=	991
5.	604	+		=	1.083
6.	885	+		=	1.254
7.	387	+		=	708
8.	915	+		=	1.589
9.	704	+		=	1.185
10.	647	+		=	892

Oefening 4
1.	915	+		=	1.799
2.	520	+		=	843
3.	844	+		=	1.065
4.	520	+		=	812
5.	844	+		=	1.641
6.	933	+		=	1.205
7.	904	+		=	1.677
8.	973	+		=	1.831
9.	947	+		=	1.464
10.	999	+		=	1.886

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	885	+	497	=	1.382
2.	846	+	765	=	1.611
3.	863	+	580	=	1.443
4.	696	+	270	=	966
5.	514	+	468	=	982
6.	975	+	711	=	1.686
7.	681	+	680	=	1.361
8.	967	+	251	=	1.218
9.	422	+	382	=	804
10.	489	+	402	=	891

Oefening 2
1.	753	+	571	=	1.324
2.	338	+	203	=	541
3.	506	+	504	=	1.010
4.	375	+	299	=	674
5.	972	+	323	=	1.295
6.	875	+	519	=	1.394
7.	825	+	740	=	1.565
8.	617	+	212	=	829
9.	674	+	520	=	1.194
10.	870	+	313	=	1.183

Oefening 3
1.	796	+	493	=	1.289
2.	710	+	457	=	1.167
3.	836	+	216	=	1.052
4.	699	+	292	=	991
5.	604	+	479	=	1.083
6.	885	+	369	=	1.254
7.	387	+	321	=	708
8.	915	+	674	=	1.589
9.	704	+	481	=	1.185
10.	647	+	245	=	892

Oefening 4
1.	915	+	884	=	1.799
2.	520	+	323	=	843
3.	844	+	221	=	1.065
4.	520	+	292	=	812
5.	844	+	797	=	1.641
6.	933	+	272	=	1.205
7.	904	+	773	=	1.677
8.	973	+	858	=	1.831
9.	947	+	517	=	1.464
10.	999	+	887	=	1.886