Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	757	+		=	1.184
2.	524	+		=	992
3.	603	+		=	906
4.	626	+		=	1.008
5.	437	+		=	783
6.	736	+		=	1.099
7.	960	+		=	1.296
8.	821	+		=	1.154
9.	714	+		=	1.192
10.	864	+		=	1.217

Oefening 2
1.	771	+		=	1.006
2.	673	+		=	937
3.	774	+		=	1.331
4.	613	+		=	1.099
5.	848	+		=	1.319
6.	508	+		=	723
7.	646	+		=	894
8.	855	+		=	1.336
9.	298	+		=	536
10.	381	+		=	667

Oefening 3
1.	946	+		=	1.695
2.	940	+		=	1.744
3.	876	+		=	1.500
4.	897	+		=	1.707
5.	917	+		=	1.334
6.	656	+		=	919
7.	477	+		=	923
8.	413	+		=	816
9.	990	+		=	1.901
10.	776	+		=	1.539

Oefening 4
1.	822	+		=	1.035
2.	811	+		=	1.288
3.	561	+		=	1.070
4.	940	+		=	1.781
5.	753	+		=	1.439
6.	589	+		=	912
7.	913	+		=	1.272
8.	726	+		=	1.124
9.	767	+		=	980
10.	708	+		=	1.321

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	757	+	427	=	1.184
2.	524	+	468	=	992
3.	603	+	303	=	906
4.	626	+	382	=	1.008
5.	437	+	346	=	783
6.	736	+	363	=	1.099
7.	960	+	336	=	1.296
8.	821	+	333	=	1.154
9.	714	+	478	=	1.192
10.	864	+	353	=	1.217

Oefening 2
1.	771	+	235	=	1.006
2.	673	+	264	=	937
3.	774	+	557	=	1.331
4.	613	+	486	=	1.099
5.	848	+	471	=	1.319
6.	508	+	215	=	723
7.	646	+	248	=	894
8.	855	+	481	=	1.336
9.	298	+	238	=	536
10.	381	+	286	=	667

Oefening 3
1.	946	+	749	=	1.695
2.	940	+	804	=	1.744
3.	876	+	624	=	1.500
4.	897	+	810	=	1.707
5.	917	+	417	=	1.334
6.	656	+	263	=	919
7.	477	+	446	=	923
8.	413	+	403	=	816
9.	990	+	911	=	1.901
10.	776	+	763	=	1.539

Oefening 4
1.	822	+	213	=	1.035
2.	811	+	477	=	1.288
3.	561	+	509	=	1.070
4.	940	+	841	=	1.781
5.	753	+	686	=	1.439
6.	589	+	323	=	912
7.	913	+	359	=	1.272
8.	726	+	398	=	1.124
9.	767	+	213	=	980
10.	708	+	613	=	1.321