Erafsommen met vlekken tot en met 2.000

Erafsommen

Oefening 1
1.	1.311	-		=	99
2.	1.750	-		=	979
3.	1.428	-		=	407
4.	1.280	-		=	812
5.	895	-		=	37
6.	954	-		=	743
7.	1.477	-		=	1.260
8.	1.522	-		=	442
9.	631	-		=	176
10.	1.620	-		=	1.180

Oefening 2
1.	999	-		=	435
2.	1.616	-		=	312
3.	1.373	-		=	1.170
4.	1.543	-		=	709
5.	1.693	-		=	424
6.	1.231	-		=	399
7.	1.958	-		=	1.394
8.	1.782	-		=	1.463
9.	1.371	-		=	1.149
10.	896	-		=	519

Oefening 3
1.	1.521	-		=	979
2.	1.166	-		=	202
3.	1.290	-		=	942
4.	809	-		=	199
5.	663	-		=	414
6.	1.140	-		=	533
7.	1.791	-		=	1.524
8.	1.251	-		=	119
9.	1.137	-		=	725
10.	1.035	-		=	804

Oefening 4
1.	1.271	-		=	475
2.	1.825	-		=	574
3.	1.711	-		=	1.203
4.	1.288	-		=	900
5.	967	-		=	758
6.	1.897	-		=	842
7.	1.269	-		=	18
8.	449	-		=	13
9.	1.412	-		=	427
10.	1.371	-		=	132

Erafsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erafsommen

Oefening 1
1.	1.311	-	1.212	=	99
2.	1.750	-	771	=	979
3.	1.428	-	1.021	=	407
4.	1.280	-	468	=	812
5.	895	-	858	=	37
6.	954	-	211	=	743
7.	1.477	-	217	=	1.260
8.	1.522	-	1.080	=	442
9.	631	-	455	=	176
10.	1.620	-	440	=	1.180

Oefening 2
1.	999	-	564	=	435
2.	1.616	-	1.304	=	312
3.	1.373	-	203	=	1.170
4.	1.543	-	834	=	709
5.	1.693	-	1.269	=	424
6.	1.231	-	832	=	399
7.	1.958	-	564	=	1.394
8.	1.782	-	319	=	1.463
9.	1.371	-	222	=	1.149
10.	896	-	377	=	519

Oefening 3
1.	1.521	-	542	=	979
2.	1.166	-	964	=	202
3.	1.290	-	348	=	942
4.	809	-	610	=	199
5.	663	-	249	=	414
6.	1.140	-	607	=	533
7.	1.791	-	267	=	1.524
8.	1.251	-	1.132	=	119
9.	1.137	-	412	=	725
10.	1.035	-	231	=	804

Oefening 4
1.	1.271	-	796	=	475
2.	1.825	-	1.251	=	574
3.	1.711	-	508	=	1.203
4.	1.288	-	388	=	900
5.	967	-	209	=	758
6.	1.897	-	1.055	=	842
7.	1.269	-	1.251	=	18
8.	449	-	436	=	13
9.	1.412	-	985	=	427
10.	1.371	-	1.239	=	132