Erafsommen met vlekken tot en met 2.000

Erafsommen

Oefening 1
1.	438	-		=	46
2.	530	-		=	298
3.	1.994	-		=	1.181
4.	1.386	-		=	764
5.	1.560	-		=	542
6.	1.479	-		=	734
7.	1.898	-		=	239
8.	815	-		=	409
9.	1.116	-		=	528
10.	1.442	-		=	362

Oefening 2
1.	912	-		=	426
2.	1.910	-		=	911
3.	586	-		=	141
4.	1.841	-		=	192
5.	1.553	-		=	345
6.	1.881	-		=	1.226
7.	1.985	-		=	589
8.	1.382	-		=	710
9.	1.905	-		=	1.239
10.	1.026	-		=	726

Oefening 3
1.	1.134	-		=	423
2.	481	-		=	235
3.	1.742	-		=	30
4.	457	-		=	73
5.	1.545	-		=	630
6.	905	-		=	394
7.	1.828	-		=	1.492
8.	1.341	-		=	621
9.	1.665	-		=	807
10.	1.342	-		=	526

Oefening 4
1.	1.860	-		=	432
2.	1.608	-		=	706
3.	1.890	-		=	1.521
4.	1.611	-		=	1.299
5.	1.242	-		=	314
6.	1.892	-		=	500
7.	1.783	-		=	89
8.	1.428	-		=	963
9.	1.534	-		=	683
10.	1.736	-		=	968

Erafsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erafsommen

Oefening 1
1.	438	-	392	=	46
2.	530	-	232	=	298
3.	1.994	-	813	=	1.181
4.	1.386	-	622	=	764
5.	1.560	-	1.018	=	542
6.	1.479	-	745	=	734
7.	1.898	-	1.659	=	239
8.	815	-	406	=	409
9.	1.116	-	588	=	528
10.	1.442	-	1.080	=	362

Oefening 2
1.	912	-	486	=	426
2.	1.910	-	999	=	911
3.	586	-	445	=	141
4.	1.841	-	1.649	=	192
5.	1.553	-	1.208	=	345
6.	1.881	-	655	=	1.226
7.	1.985	-	1.396	=	589
8.	1.382	-	672	=	710
9.	1.905	-	666	=	1.239
10.	1.026	-	300	=	726

Oefening 3
1.	1.134	-	711	=	423
2.	481	-	246	=	235
3.	1.742	-	1.712	=	30
4.	457	-	384	=	73
5.	1.545	-	915	=	630
6.	905	-	511	=	394
7.	1.828	-	336	=	1.492
8.	1.341	-	720	=	621
9.	1.665	-	858	=	807
10.	1.342	-	816	=	526

Oefening 4
1.	1.860	-	1.428	=	432
2.	1.608	-	902	=	706
3.	1.890	-	369	=	1.521
4.	1.611	-	312	=	1.299
5.	1.242	-	928	=	314
6.	1.892	-	1.392	=	500
7.	1.783	-	1.694	=	89
8.	1.428	-	465	=	963
9.	1.534	-	851	=	683
10.	1.736	-	768	=	968