Erafsommen met vlekken tot en met 2.000

Erafsommen

Oefening 1
1.	911	-		=	79
2.	537	-		=	326
3.	1.913	-		=	1.436
4.	1.462	-		=	68
5.	1.648	-		=	852
6.	576	-		=	246
7.	1.782	-		=	428
8.	1.814	-		=	1.057
9.	1.657	-		=	1.304
10.	1.245	-		=	877

Oefening 2
1.	1.469	-		=	564
2.	1.465	-		=	726
3.	1.273	-		=	481
4.	1.213	-		=	785
5.	1.325	-		=	227
6.	763	-		=	365
7.	1.863	-		=	924
8.	1.578	-		=	918
9.	1.787	-		=	201
10.	766	-		=	285

Oefening 3
1.	405	-		=	168
2.	1.595	-		=	1.079
3.	1.308	-		=	8
4.	1.411	-		=	144
5.	943	-		=	142
6.	1.947	-		=	1.058
7.	1.594	-		=	306
8.	1.215	-		=	93
9.	1.229	-		=	972
10.	1.357	-		=	911

Oefening 4
1.	1.705	-		=	165
2.	1.105	-		=	188
3.	827	-		=	490
4.	1.070	-		=	599
5.	780	-		=	100
6.	1.242	-		=	10
7.	1.973	-		=	441
8.	1.639	-		=	728
9.	1.597	-		=	1.219
10.	1.625	-		=	943

Erafsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erafsommen

Oefening 1
1.	911	-	832	=	79
2.	537	-	211	=	326
3.	1.913	-	477	=	1.436
4.	1.462	-	1.394	=	68
5.	1.648	-	796	=	852
6.	576	-	330	=	246
7.	1.782	-	1.354	=	428
8.	1.814	-	757	=	1.057
9.	1.657	-	353	=	1.304
10.	1.245	-	368	=	877

Oefening 2
1.	1.469	-	905	=	564
2.	1.465	-	739	=	726
3.	1.273	-	792	=	481
4.	1.213	-	428	=	785
5.	1.325	-	1.098	=	227
6.	763	-	398	=	365
7.	1.863	-	939	=	924
8.	1.578	-	660	=	918
9.	1.787	-	1.586	=	201
10.	766	-	481	=	285

Oefening 3
1.	405	-	237	=	168
2.	1.595	-	516	=	1.079
3.	1.308	-	1.300	=	8
4.	1.411	-	1.267	=	144
5.	943	-	801	=	142
6.	1.947	-	889	=	1.058
7.	1.594	-	1.288	=	306
8.	1.215	-	1.122	=	93
9.	1.229	-	257	=	972
10.	1.357	-	446	=	911

Oefening 4
1.	1.705	-	1.540	=	165
2.	1.105	-	917	=	188
3.	827	-	337	=	490
4.	1.070	-	471	=	599
5.	780	-	680	=	100
6.	1.242	-	1.232	=	10
7.	1.973	-	1.532	=	441
8.	1.639	-	911	=	728
9.	1.597	-	378	=	1.219
10.	1.625	-	682	=	943