Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	589	+		=	958
2.	800	+		=	1.584
3.	599	+		=	859
4.	756	+		=	1.258
5.	807	+		=	1.140
6.	877	+		=	1.155
7.	724	+		=	1.391
8.	830	+		=	1.493
9.	859	+		=	1.383
10.	444	+		=	762

Oefening 2
1.	805	+		=	1.090
2.	612	+		=	1.124
3.	977	+		=	1.792
4.	809	+		=	1.517
5.	528	+		=	955
6.	635	+		=	943
7.	723	+		=	1.302
8.	951	+		=	1.312
9.	655	+		=	873
10.	958	+		=	1.479

Oefening 3
1.	808	+		=	1.032
2.	891	+		=	1.697
3.	987	+		=	1.714
4.	606	+		=	976
5.	772	+		=	1.313
6.	660	+		=	1.220
7.	862	+		=	1.357
8.	989	+		=	1.636
9.	976	+		=	1.636
10.	931	+		=	1.623

Oefening 4
1.	628	+		=	911
2.	953	+		=	1.760
3.	618	+		=	1.073
4.	900	+		=	1.248
5.	379	+		=	686
6.	883	+		=	1.352
7.	820	+		=	1.082
8.	982	+		=	1.401
9.	813	+		=	1.564
10.	802	+		=	1.062

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	589	+	369	=	958
2.	800	+	784	=	1.584
3.	599	+	260	=	859
4.	756	+	502	=	1.258
5.	807	+	333	=	1.140
6.	877	+	278	=	1.155
7.	724	+	667	=	1.391
8.	830	+	663	=	1.493
9.	859	+	524	=	1.383
10.	444	+	318	=	762

Oefening 2
1.	805	+	285	=	1.090
2.	612	+	512	=	1.124
3.	977	+	815	=	1.792
4.	809	+	708	=	1.517
5.	528	+	427	=	955
6.	635	+	308	=	943
7.	723	+	579	=	1.302
8.	951	+	361	=	1.312
9.	655	+	218	=	873
10.	958	+	521	=	1.479

Oefening 3
1.	808	+	224	=	1.032
2.	891	+	806	=	1.697
3.	987	+	727	=	1.714
4.	606	+	370	=	976
5.	772	+	541	=	1.313
6.	660	+	560	=	1.220
7.	862	+	495	=	1.357
8.	989	+	647	=	1.636
9.	976	+	660	=	1.636
10.	931	+	692	=	1.623

Oefening 4
1.	628	+	283	=	911
2.	953	+	807	=	1.760
3.	618	+	455	=	1.073
4.	900	+	348	=	1.248
5.	379	+	307	=	686
6.	883	+	469	=	1.352
7.	820	+	262	=	1.082
8.	982	+	419	=	1.401
9.	813	+	751	=	1.564
10.	802	+	260	=	1.062