Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	561	+		=	803
2.	368	+		=	618
3.	540	+		=	873
4.	781	+		=	1.169
5.	773	+		=	1.182
6.	403	+		=	627
7.	767	+		=	1.369
8.	500	+		=	900
9.	595	+		=	852
10.	688	+		=	1.193

Oefening 2
1.	967	+		=	1.641
2.	754	+		=	1.300
3.	781	+		=	1.104
4.	748	+		=	1.205
5.	490	+		=	717
6.	627	+		=	856
7.	913	+		=	1.806
8.	772	+		=	1.456
9.	317	+		=	626
10.	850	+		=	1.357

Oefening 3
1.	656	+		=	959
2.	697	+		=	1.381
3.	418	+		=	736
4.	434	+		=	767
5.	540	+		=	834
6.	934	+		=	1.747
7.	660	+		=	1.142
8.	310	+		=	514
9.	964	+		=	1.551
10.	788	+		=	1.286

Oefening 4
1.	520	+		=	1.039
2.	516	+		=	881
3.	728	+		=	929
4.	818	+		=	1.635
5.	455	+		=	707
6.	999	+		=	1.379
7.	884	+		=	1.636
8.	683	+		=	1.004
9.	409	+		=	769
10.	300	+		=	513

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	561	+	242	=	803
2.	368	+	250	=	618
3.	540	+	333	=	873
4.	781	+	388	=	1.169
5.	773	+	409	=	1.182
6.	403	+	224	=	627
7.	767	+	602	=	1.369
8.	500	+	400	=	900
9.	595	+	257	=	852
10.	688	+	505	=	1.193

Oefening 2
1.	967	+	674	=	1.641
2.	754	+	546	=	1.300
3.	781	+	323	=	1.104
4.	748	+	457	=	1.205
5.	490	+	227	=	717
6.	627	+	229	=	856
7.	913	+	893	=	1.806
8.	772	+	684	=	1.456
9.	317	+	309	=	626
10.	850	+	507	=	1.357

Oefening 3
1.	656	+	303	=	959
2.	697	+	684	=	1.381
3.	418	+	318	=	736
4.	434	+	333	=	767
5.	540	+	294	=	834
6.	934	+	813	=	1.747
7.	660	+	482	=	1.142
8.	310	+	204	=	514
9.	964	+	587	=	1.551
10.	788	+	498	=	1.286

Oefening 4
1.	520	+	519	=	1.039
2.	516	+	365	=	881
3.	728	+	201	=	929
4.	818	+	817	=	1.635
5.	455	+	252	=	707
6.	999	+	380	=	1.379
7.	884	+	752	=	1.636
8.	683	+	321	=	1.004
9.	409	+	360	=	769
10.	300	+	213	=	513