Erafsommen met vlekken tot en met 2.000

Erafsommen

Oefening 1
1.	1.901	-		=	1.567
2.	1.860	-		=	142
3.	1.666	-		=	1.283
4.	640	-		=	2
5.	1.905	-		=	514
6.	402	-		=	100
7.	1.540	-		=	416
8.	1.197	-		=	907
9.	1.428	-		=	359
10.	1.275	-		=	775

Oefening 2
1.	1.902	-		=	620
2.	928	-		=	429
3.	1.647	-		=	83
4.	1.644	-		=	1.090
5.	1.334	-		=	881
6.	701	-		=	451
7.	1.904	-		=	972
8.	1.205	-		=	433
9.	352	-		=	26
10.	1.800	-		=	578

Oefening 3
1.	1.370	-		=	1.044
2.	1.036	-		=	374
3.	1.749	-		=	47
4.	841	-		=	433
5.	1.485	-		=	801
6.	1.128	-		=	830
7.	1.415	-		=	690
8.	1.347	-		=	1.131
9.	946	-		=	281
10.	1.358	-		=	408

Oefening 4
1.	1.131	-		=	98
2.	1.218	-		=	1.009
3.	1.984	-		=	224
4.	1.421	-		=	669
5.	1.167	-		=	196
6.	990	-		=	510
7.	851	-		=	153
8.	857	-		=	429
9.	1.212	-		=	351
10.	1.281	-		=	237

Erafsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erafsommen

Oefening 1
1.	1.901	-	334	=	1.567
2.	1.860	-	1.718	=	142
3.	1.666	-	383	=	1.283
4.	640	-	638	=	2
5.	1.905	-	1.391	=	514
6.	402	-	302	=	100
7.	1.540	-	1.124	=	416
8.	1.197	-	290	=	907
9.	1.428	-	1.069	=	359
10.	1.275	-	500	=	775

Oefening 2
1.	1.902	-	1.282	=	620
2.	928	-	499	=	429
3.	1.647	-	1.564	=	83
4.	1.644	-	554	=	1.090
5.	1.334	-	453	=	881
6.	701	-	250	=	451
7.	1.904	-	932	=	972
8.	1.205	-	772	=	433
9.	352	-	326	=	26
10.	1.800	-	1.222	=	578

Oefening 3
1.	1.370	-	326	=	1.044
2.	1.036	-	662	=	374
3.	1.749	-	1.702	=	47
4.	841	-	408	=	433
5.	1.485	-	684	=	801
6.	1.128	-	298	=	830
7.	1.415	-	725	=	690
8.	1.347	-	216	=	1.131
9.	946	-	665	=	281
10.	1.358	-	950	=	408

Oefening 4
1.	1.131	-	1.033	=	98
2.	1.218	-	209	=	1.009
3.	1.984	-	1.760	=	224
4.	1.421	-	752	=	669
5.	1.167	-	971	=	196
6.	990	-	480	=	510
7.	851	-	698	=	153
8.	857	-	428	=	429
9.	1.212	-	861	=	351
10.	1.281	-	1.044	=	237