Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	953	+		=	1.567
2.	474	+		=	830
3.	801	+		=	1.231
4.	639	+		=	967
5.	415	+		=	740
6.	669	+		=	941
7.	548	+		=	926
8.	662	+		=	1.268
9.	694	+		=	1.189
10.	789	+		=	1.258

Oefening 2
1.	856	+		=	1.641
2.	523	+		=	949
3.	859	+		=	1.569
4.	841	+		=	1.122
5.	756	+		=	989
6.	972	+		=	1.209
7.	405	+		=	721
8.	882	+		=	1.441
9.	401	+		=	651
10.	668	+		=	1.125

Oefening 3
1.	995	+		=	1.409
2.	807	+		=	1.115
3.	286	+		=	510
4.	725	+		=	1.327
5.	612	+		=	1.216
6.	525	+		=	940
7.	832	+		=	1.659
8.	502	+		=	773
9.	842	+		=	1.061
10.	961	+		=	1.309

Oefening 4
1.	267	+		=	491
2.	388	+		=	710
3.	310	+		=	567
4.	743	+		=	1.388
5.	867	+		=	1.271
6.	980	+		=	1.941
7.	516	+		=	749
8.	845	+		=	1.374
9.	684	+		=	1.339
10.	921	+		=	1.681

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	953	+	614	=	1.567
2.	474	+	356	=	830
3.	801	+	430	=	1.231
4.	639	+	328	=	967
5.	415	+	325	=	740
6.	669	+	272	=	941
7.	548	+	378	=	926
8.	662	+	606	=	1.268
9.	694	+	495	=	1.189
10.	789	+	469	=	1.258

Oefening 2
1.	856	+	785	=	1.641
2.	523	+	426	=	949
3.	859	+	710	=	1.569
4.	841	+	281	=	1.122
5.	756	+	233	=	989
6.	972	+	237	=	1.209
7.	405	+	316	=	721
8.	882	+	559	=	1.441
9.	401	+	250	=	651
10.	668	+	457	=	1.125

Oefening 3
1.	995	+	414	=	1.409
2.	807	+	308	=	1.115
3.	286	+	224	=	510
4.	725	+	602	=	1.327
5.	612	+	604	=	1.216
6.	525	+	415	=	940
7.	832	+	827	=	1.659
8.	502	+	271	=	773
9.	842	+	219	=	1.061
10.	961	+	348	=	1.309

Oefening 4
1.	267	+	224	=	491
2.	388	+	322	=	710
3.	310	+	257	=	567
4.	743	+	645	=	1.388
5.	867	+	404	=	1.271
6.	980	+	961	=	1.941
7.	516	+	233	=	749
8.	845	+	529	=	1.374
9.	684	+	655	=	1.339
10.	921	+	760	=	1.681