Erafsommen met vlekken tot en met 500

Erafsommen

Oefening 1
1.	489	-		=	112
2.	155	-		=	100
3.	161	-		=	91
4.	358	-		=	44
5.	342	-		=	242
6.	327	-		=	250
7.	249	-		=	69
8.	299	-		=	92
9.	430	-		=	85
10.	426	-		=	33

Oefening 2
1.	384	-		=	241
2.	472	-		=	400
3.	191	-		=	83
4.	316	-		=	29
5.	133	-		=	32
6.	315	-		=	263
7.	371	-		=	101
8.	275	-		=	194
9.	248	-		=	29
10.	388	-		=	93

Oefening 3
1.	341	-		=	20
2.	94	-		=	5
3.	437	-		=	338
4.	449	-		=	288
5.	222	-		=	109
6.	437	-		=	378
7.	343	-		=	271
8.	332	-		=	264
9.	484	-		=	397
10.	132	-		=	32

Oefening 4
1.	304	-		=	80
2.	494	-		=	21
3.	347	-		=	270
4.	311	-		=	84
5.	184	-		=	43
6.	465	-		=	338
7.	292	-		=	30
8.	448	-		=	214
9.	361	-		=	112
10.	368	-		=	288

Erafsommen met vlekken tot en met 500
| ANTWOORDEN

Erafsommen

Oefening 1
1.	489	-	377	=	112
2.	155	-	55	=	100
3.	161	-	70	=	91
4.	358	-	314	=	44
5.	342	-	100	=	242
6.	327	-	77	=	250
7.	249	-	180	=	69
8.	299	-	207	=	92
9.	430	-	345	=	85
10.	426	-	393	=	33

Oefening 2
1.	384	-	143	=	241
2.	472	-	72	=	400
3.	191	-	108	=	83
4.	316	-	287	=	29
5.	133	-	101	=	32
6.	315	-	52	=	263
7.	371	-	270	=	101
8.	275	-	81	=	194
9.	248	-	219	=	29
10.	388	-	295	=	93

Oefening 3
1.	341	-	321	=	20
2.	94	-	89	=	5
3.	437	-	99	=	338
4.	449	-	161	=	288
5.	222	-	113	=	109
6.	437	-	59	=	378
7.	343	-	72	=	271
8.	332	-	68	=	264
9.	484	-	87	=	397
10.	132	-	100	=	32

Oefening 4
1.	304	-	224	=	80
2.	494	-	473	=	21
3.	347	-	77	=	270
4.	311	-	227	=	84
5.	184	-	141	=	43
6.	465	-	127	=	338
7.	292	-	262	=	30
8.	448	-	234	=	214
9.	361	-	249	=	112
10.	368	-	80	=	288