Erafsommen met vlekken tot en met 500

Erafsommen

Oefening 1
1.	371	-		=	229
2.	477	-		=	66
3.	309	-		=	148
4.	489	-		=	388
5.	271	-		=	151
6.	399	-		=	139
7.	396	-		=	205
8.	443	-		=	113
9.	301	-		=	6
10.	226	-		=	124

Oefening 2
1.	102	-		=	27
2.	483	-		=	313
3.	489	-		=	418
4.	422	-		=	351
5.	283	-		=	223
6.	325	-		=	186
7.	372	-		=	30
8.	254	-		=	72
9.	500	-		=	250
10.	362	-		=	258

Oefening 3
1.	473	-		=	66
2.	339	-		=	222
3.	403	-		=	152
4.	192	-		=	7
5.	289	-		=	34
6.	248	-		=	136
7.	361	-		=	209
8.	482	-		=	59
9.	406	-		=	225
10.	498	-		=	334

Oefening 4
1.	419	-		=	341
2.	452	-		=	293
3.	314	-		=	176
4.	392	-		=	143
5.	345	-		=	5
6.	443	-		=	248
7.	468	-		=	88
8.	341	-		=	89
9.	295	-		=	62
10.	447	-		=	278

Erafsommen met vlekken tot en met 500
| ANTWOORDEN

Erafsommen

Oefening 1
1.	371	-	142	=	229
2.	477	-	411	=	66
3.	309	-	161	=	148
4.	489	-	101	=	388
5.	271	-	120	=	151
6.	399	-	260	=	139
7.	396	-	191	=	205
8.	443	-	330	=	113
9.	301	-	295	=	6
10.	226	-	102	=	124

Oefening 2
1.	102	-	75	=	27
2.	483	-	170	=	313
3.	489	-	71	=	418
4.	422	-	71	=	351
5.	283	-	60	=	223
6.	325	-	139	=	186
7.	372	-	342	=	30
8.	254	-	182	=	72
9.	500	-	250	=	250
10.	362	-	104	=	258

Oefening 3
1.	473	-	407	=	66
2.	339	-	117	=	222
3.	403	-	251	=	152
4.	192	-	185	=	7
5.	289	-	255	=	34
6.	248	-	112	=	136
7.	361	-	152	=	209
8.	482	-	423	=	59
9.	406	-	181	=	225
10.	498	-	164	=	334

Oefening 4
1.	419	-	78	=	341
2.	452	-	159	=	293
3.	314	-	138	=	176
4.	392	-	249	=	143
5.	345	-	340	=	5
6.	443	-	195	=	248
7.	468	-	380	=	88
8.	341	-	252	=	89
9.	295	-	233	=	62
10.	447	-	169	=	278