Erafsommen met vlekken tot en met 2.000

Erafsommen

Oefening 1
1.	981	-		=	558
2.	1.997	-		=	159
3.	1.779	-		=	805
4.	1.317	-		=	61
5.	1.031	-		=	575
6.	1.354	-		=	634
7.	1.506	-		=	350
8.	1.600	-		=	954
9.	1.825	-		=	648
10.	609	-		=	136

Oefening 2
1.	1.054	-		=	796
2.	1.729	-		=	1.374
3.	1.506	-		=	337
4.	929	-		=	149
5.	688	-		=	354
6.	697	-		=	432
7.	694	-		=	172
8.	1.822	-		=	613
9.	1.985	-		=	7
10.	939	-		=	500

Oefening 3
1.	584	-		=	318
2.	1.077	-		=	277
3.	1.508	-		=	186
4.	1.169	-		=	52
5.	1.301	-		=	1.049
6.	1.530	-		=	853
7.	359	-		=	112
8.	865	-		=	416
9.	1.683	-		=	1.275
10.	1.168	-		=	187

Oefening 4
1.	1.447	-		=	1.149
2.	1.264	-		=	974
3.	1.665	-		=	1.087
4.	904	-		=	447
5.	1.981	-		=	1.159
6.	1.423	-		=	289
7.	1.200	-		=	207
8.	1.680	-		=	1.083
9.	1.932	-		=	1.528
10.	1.815	-		=	328

Erafsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erafsommen

Oefening 1
1.	981	-	423	=	558
2.	1.997	-	1.838	=	159
3.	1.779	-	974	=	805
4.	1.317	-	1.256	=	61
5.	1.031	-	456	=	575
6.	1.354	-	720	=	634
7.	1.506	-	1.156	=	350
8.	1.600	-	646	=	954
9.	1.825	-	1.177	=	648
10.	609	-	473	=	136

Oefening 2
1.	1.054	-	258	=	796
2.	1.729	-	355	=	1.374
3.	1.506	-	1.169	=	337
4.	929	-	780	=	149
5.	688	-	334	=	354
6.	697	-	265	=	432
7.	694	-	522	=	172
8.	1.822	-	1.209	=	613
9.	1.985	-	1.978	=	7
10.	939	-	439	=	500

Oefening 3
1.	584	-	266	=	318
2.	1.077	-	800	=	277
3.	1.508	-	1.322	=	186
4.	1.169	-	1.117	=	52
5.	1.301	-	252	=	1.049
6.	1.530	-	677	=	853
7.	359	-	247	=	112
8.	865	-	449	=	416
9.	1.683	-	408	=	1.275
10.	1.168	-	981	=	187

Oefening 4
1.	1.447	-	298	=	1.149
2.	1.264	-	290	=	974
3.	1.665	-	578	=	1.087
4.	904	-	457	=	447
5.	1.981	-	822	=	1.159
6.	1.423	-	1.134	=	289
7.	1.200	-	993	=	207
8.	1.680	-	597	=	1.083
9.	1.932	-	404	=	1.528
10.	1.815	-	1.487	=	328