Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	976	+		=	1.860
2.	453	+		=	809
3.	942	+		=	1.354
4.	639	+		=	1.021
5.	820	+		=	1.178
6.	902	+		=	1.128
7.	963	+		=	1.572
8.	932	+		=	1.231
9.	804	+		=	1.097
10.	605	+		=	956

Oefening 2
1.	904	+		=	1.243
2.	760	+		=	1.126
3.	885	+		=	1.657
4.	790	+		=	1.253
5.	672	+		=	1.165
6.	301	+		=	549
7.	765	+		=	1.325
8.	511	+		=	840
9.	673	+		=	1.280
10.	860	+		=	1.230

Oefening 3
1.	716	+		=	1.287
2.	822	+		=	1.424
3.	920	+		=	1.651
4.	843	+		=	1.123
5.	577	+		=	782
6.	318	+		=	542
7.	504	+		=	970
8.	998	+		=	1.956
9.	554	+		=	1.071
10.	828	+		=	1.184

Oefening 4
1.	743	+		=	1.239
2.	448	+		=	668
3.	987	+		=	1.622
4.	647	+		=	1.060
5.	770	+		=	1.331
6.	883	+		=	1.344
7.	759	+		=	1.317
8.	607	+		=	807
9.	589	+		=	1.049
10.	940	+		=	1.162

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	976	+	884	=	1.860
2.	453	+	356	=	809
3.	942	+	412	=	1.354
4.	639	+	382	=	1.021
5.	820	+	358	=	1.178
6.	902	+	226	=	1.128
7.	963	+	609	=	1.572
8.	932	+	299	=	1.231
9.	804	+	293	=	1.097
10.	605	+	351	=	956

Oefening 2
1.	904	+	339	=	1.243
2.	760	+	366	=	1.126
3.	885	+	772	=	1.657
4.	790	+	463	=	1.253
5.	672	+	493	=	1.165
6.	301	+	248	=	549
7.	765	+	560	=	1.325
8.	511	+	329	=	840
9.	673	+	607	=	1.280
10.	860	+	370	=	1.230

Oefening 3
1.	716	+	571	=	1.287
2.	822	+	602	=	1.424
3.	920	+	731	=	1.651
4.	843	+	280	=	1.123
5.	577	+	205	=	782
6.	318	+	224	=	542
7.	504	+	466	=	970
8.	998	+	958	=	1.956
9.	554	+	517	=	1.071
10.	828	+	356	=	1.184

Oefening 4
1.	743	+	496	=	1.239
2.	448	+	220	=	668
3.	987	+	635	=	1.622
4.	647	+	413	=	1.060
5.	770	+	561	=	1.331
6.	883	+	461	=	1.344
7.	759	+	558	=	1.317
8.	607	+	200	=	807
9.	589	+	460	=	1.049
10.	940	+	222	=	1.162