Erafsommen met vlekken tot en met 2.000

Erafsommen

Oefening 1
1.	572	-		=	52
2.	781	-		=	541
3.	1.843	-		=	1.576
4.	1.980	-		=	664
5.	1.361	-		=	297
6.	1.242	-		=	124
7.	1.903	-		=	1.175
8.	879	-		=	243
9.	770	-		=	189
10.	1.990	-		=	1.683

Oefening 2
1.	1.211	-		=	650
2.	1.447	-		=	342
3.	513	-		=	73
4.	1.650	-		=	217
5.	1.779	-		=	1.051
6.	1.803	-		=	737
7.	1.665	-		=	33
8.	1.027	-		=	154
9.	1.302	-		=	629
10.	1.803	-		=	97

Oefening 3
1.	436	-		=	129
2.	1.456	-		=	1.060
3.	1.343	-		=	1.008
4.	858	-		=	452
5.	409	-		=	44
6.	1.776	-		=	1.551
7.	1.673	-		=	455
8.	1.522	-		=	425
9.	1.670	-		=	1.099
10.	1.256	-		=	10

Oefening 4
1.	1.889	-		=	221
2.	1.419	-		=	43
3.	1.583	-		=	799
4.	1.425	-		=	1.058
5.	1.343	-		=	771
6.	1.386	-		=	1.012
7.	1.113	-		=	189
8.	1.301	-		=	114
9.	1.166	-		=	801
10.	1.509	-		=	870

Erafsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erafsommen

Oefening 1
1.	572	-	520	=	52
2.	781	-	240	=	541
3.	1.843	-	267	=	1.576
4.	1.980	-	1.316	=	664
5.	1.361	-	1.064	=	297
6.	1.242	-	1.118	=	124
7.	1.903	-	728	=	1.175
8.	879	-	636	=	243
9.	770	-	581	=	189
10.	1.990	-	307	=	1.683

Oefening 2
1.	1.211	-	561	=	650
2.	1.447	-	1.105	=	342
3.	513	-	440	=	73
4.	1.650	-	1.433	=	217
5.	1.779	-	728	=	1.051
6.	1.803	-	1.066	=	737
7.	1.665	-	1.632	=	33
8.	1.027	-	873	=	154
9.	1.302	-	673	=	629
10.	1.803	-	1.706	=	97

Oefening 3
1.	436	-	307	=	129
2.	1.456	-	396	=	1.060
3.	1.343	-	335	=	1.008
4.	858	-	406	=	452
5.	409	-	365	=	44
6.	1.776	-	225	=	1.551
7.	1.673	-	1.218	=	455
8.	1.522	-	1.097	=	425
9.	1.670	-	571	=	1.099
10.	1.256	-	1.246	=	10

Oefening 4
1.	1.889	-	1.668	=	221
2.	1.419	-	1.376	=	43
3.	1.583	-	784	=	799
4.	1.425	-	367	=	1.058
5.	1.343	-	572	=	771
6.	1.386	-	374	=	1.012
7.	1.113	-	924	=	189
8.	1.301	-	1.187	=	114
9.	1.166	-	365	=	801
10.	1.509	-	639	=	870