Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	990	+		=	1.687
2.	667	+		=	983
3.	530	+		=	917
4.	836	+		=	1.611
5.	306	+		=	573
6.	905	+		=	1.790
7.	681	+		=	1.250
8.	817	+		=	1.451
9.	727	+		=	1.072
10.	611	+		=	989

Oefening 2
1.	903	+		=	1.371
2.	484	+		=	873
3.	965	+		=	1.286
4.	777	+		=	1.422
5.	954	+		=	1.638
6.	875	+		=	1.415
7.	975	+		=	1.207
8.	386	+		=	659
9.	803	+		=	1.598
10.	679	+		=	1.213

Oefening 3
1.	690	+		=	947
2.	493	+		=	835
3.	910	+		=	1.552
4.	634	+		=	1.184
5.	525	+		=	1.036
6.	425	+		=	782
7.	851	+		=	1.470
8.	879	+		=	1.112
9.	657	+		=	903
10.	695	+		=	1.326

Oefening 4
1.	797	+		=	1.046
2.	883	+		=	1.204
3.	710	+		=	1.298
4.	462	+		=	826
5.	981	+		=	1.932
6.	425	+		=	826
7.	788	+		=	1.211
8.	672	+		=	1.004
9.	801	+		=	1.364
10.	416	+		=	623

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	990	+	697	=	1.687
2.	667	+	316	=	983
3.	530	+	387	=	917
4.	836	+	775	=	1.611
5.	306	+	267	=	573
6.	905	+	885	=	1.790
7.	681	+	569	=	1.250
8.	817	+	634	=	1.451
9.	727	+	345	=	1.072
10.	611	+	378	=	989

Oefening 2
1.	903	+	468	=	1.371
2.	484	+	389	=	873
3.	965	+	321	=	1.286
4.	777	+	645	=	1.422
5.	954	+	684	=	1.638
6.	875	+	540	=	1.415
7.	975	+	232	=	1.207
8.	386	+	273	=	659
9.	803	+	795	=	1.598
10.	679	+	534	=	1.213

Oefening 3
1.	690	+	257	=	947
2.	493	+	342	=	835
3.	910	+	642	=	1.552
4.	634	+	550	=	1.184
5.	525	+	511	=	1.036
6.	425	+	357	=	782
7.	851	+	619	=	1.470
8.	879	+	233	=	1.112
9.	657	+	246	=	903
10.	695	+	631	=	1.326

Oefening 4
1.	797	+	249	=	1.046
2.	883	+	321	=	1.204
3.	710	+	588	=	1.298
4.	462	+	364	=	826
5.	981	+	951	=	1.932
6.	425	+	401	=	826
7.	788	+	423	=	1.211
8.	672	+	332	=	1.004
9.	801	+	563	=	1.364
10.	416	+	207	=	623