Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	728	+		=	1.086
2.	967	+		=	1.815
3.	493	+		=	722
4.	951	+		=	1.346
5.	457	+		=	861
6.	509	+		=	724
7.	728	+		=	1.177
8.	681	+		=	1.345
9.	975	+		=	1.555
10.	743	+		=	1.395

Oefening 2
1.	728	+		=	1.033
2.	956	+		=	1.576
3.	973	+		=	1.738
4.	800	+		=	1.478
5.	723	+		=	1.148
6.	482	+		=	777
7.	854	+		=	1.322
8.	821	+		=	1.206
9.	898	+		=	1.442
10.	799	+		=	1.580

Oefening 3
1.	861	+		=	1.113
2.	778	+		=	1.451
3.	352	+		=	633
4.	774	+		=	1.334
5.	665	+		=	1.194
6.	964	+		=	1.721
7.	779	+		=	1.252
8.	531	+		=	826
9.	926	+		=	1.356
10.	517	+		=	818

Oefening 4
1.	953	+		=	1.476
2.	932	+		=	1.421
3.	801	+		=	1.602
4.	606	+		=	1.101
5.	504	+		=	874
6.	375	+		=	662
7.	742	+		=	1.311
8.	666	+		=	1.243
9.	848	+		=	1.627
10.	902	+		=	1.442

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	728	+	358	=	1.086
2.	967	+	848	=	1.815
3.	493	+	229	=	722
4.	951	+	395	=	1.346
5.	457	+	404	=	861
6.	509	+	215	=	724
7.	728	+	449	=	1.177
8.	681	+	664	=	1.345
9.	975	+	580	=	1.555
10.	743	+	652	=	1.395

Oefening 2
1.	728	+	305	=	1.033
2.	956	+	620	=	1.576
3.	973	+	765	=	1.738
4.	800	+	678	=	1.478
5.	723	+	425	=	1.148
6.	482	+	295	=	777
7.	854	+	468	=	1.322
8.	821	+	385	=	1.206
9.	898	+	544	=	1.442
10.	799	+	781	=	1.580

Oefening 3
1.	861	+	252	=	1.113
2.	778	+	673	=	1.451
3.	352	+	281	=	633
4.	774	+	560	=	1.334
5.	665	+	529	=	1.194
6.	964	+	757	=	1.721
7.	779	+	473	=	1.252
8.	531	+	295	=	826
9.	926	+	430	=	1.356
10.	517	+	301	=	818

Oefening 4
1.	953	+	523	=	1.476
2.	932	+	489	=	1.421
3.	801	+	801	=	1.602
4.	606	+	495	=	1.101
5.	504	+	370	=	874
6.	375	+	287	=	662
7.	742	+	569	=	1.311
8.	666	+	577	=	1.243
9.	848	+	779	=	1.627
10.	902	+	540	=	1.442