Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	283	+		=	564
2.	722	+		=	1.082
3.	895	+		=	1.202
4.	692	+		=	1.152
5.	744	+		=	1.414
6.	759	+		=	1.102
7.	1.000	+		=	1.541
8.	927	+		=	1.555
9.	708	+		=	952
10.	650	+		=	1.214

Oefening 2
1.	487	+		=	966
2.	789	+		=	1.567
3.	994	+		=	1.816
4.	449	+		=	860
5.	862	+		=	1.380
6.	882	+		=	1.721
7.	801	+		=	1.330
8.	990	+		=	1.251
9.	467	+		=	751
10.	440	+		=	859

Oefening 3
1.	516	+		=	789
2.	898	+		=	1.430
3.	336	+		=	588
4.	911	+		=	1.191
5.	641	+		=	938
6.	902	+		=	1.220
7.	398	+		=	772
8.	809	+		=	1.516
9.	954	+		=	1.259
10.	659	+		=	957

Oefening 4
1.	786	+		=	1.225
2.	432	+		=	810
3.	321	+		=	551
4.	612	+		=	1.048
5.	739	+		=	1.085
6.	539	+		=	795
7.	943	+		=	1.400
8.	777	+		=	1.322
9.	949	+		=	1.829
10.	753	+		=	1.163

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	283	+	281	=	564
2.	722	+	360	=	1.082
3.	895	+	307	=	1.202
4.	692	+	460	=	1.152
5.	744	+	670	=	1.414
6.	759	+	343	=	1.102
7.	1.000	+	541	=	1.541
8.	927	+	628	=	1.555
9.	708	+	244	=	952
10.	650	+	564	=	1.214

Oefening 2
1.	487	+	479	=	966
2.	789	+	778	=	1.567
3.	994	+	822	=	1.816
4.	449	+	411	=	860
5.	862	+	518	=	1.380
6.	882	+	839	=	1.721
7.	801	+	529	=	1.330
8.	990	+	261	=	1.251
9.	467	+	284	=	751
10.	440	+	419	=	859

Oefening 3
1.	516	+	273	=	789
2.	898	+	532	=	1.430
3.	336	+	252	=	588
4.	911	+	280	=	1.191
5.	641	+	297	=	938
6.	902	+	318	=	1.220
7.	398	+	374	=	772
8.	809	+	707	=	1.516
9.	954	+	305	=	1.259
10.	659	+	298	=	957

Oefening 4
1.	786	+	439	=	1.225
2.	432	+	378	=	810
3.	321	+	230	=	551
4.	612	+	436	=	1.048
5.	739	+	346	=	1.085
6.	539	+	256	=	795
7.	943	+	457	=	1.400
8.	777	+	545	=	1.322
9.	949	+	880	=	1.829
10.	753	+	410	=	1.163