Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	938	+		=	1.243
2.	977	+		=	1.515
3.	811	+		=	1.267
4.	946	+		=	1.417
5.	493	+		=	917
6.	866	+		=	1.072
7.	955	+		=	1.561
8.	962	+		=	1.342
9.	659	+		=	1.043
10.	475	+		=	832

Oefening 2
1.	805	+		=	1.532
2.	704	+		=	1.196
3.	625	+		=	878
4.	406	+		=	690
5.	594	+		=	822
6.	998	+		=	1.555
7.	926	+		=	1.581
8.	818	+		=	1.114
9.	665	+		=	994
10.	613	+		=	1.024

Oefening 3
1.	453	+		=	831
2.	666	+		=	1.086
3.	640	+		=	1.243
4.	960	+		=	1.341
5.	560	+		=	802
6.	732	+		=	1.421
7.	711	+		=	945
8.	824	+		=	1.154
9.	941	+		=	1.558
10.	915	+		=	1.209

Oefening 4
1.	980	+		=	1.856
2.	553	+		=	998
3.	840	+		=	1.217
4.	817	+		=	1.305
5.	910	+		=	1.274
6.	626	+		=	837
7.	652	+		=	972
8.	566	+		=	820
9.	920	+		=	1.646
10.	997	+		=	1.757

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	938	+	305	=	1.243
2.	977	+	538	=	1.515
3.	811	+	456	=	1.267
4.	946	+	471	=	1.417
5.	493	+	424	=	917
6.	866	+	206	=	1.072
7.	955	+	606	=	1.561
8.	962	+	380	=	1.342
9.	659	+	384	=	1.043
10.	475	+	357	=	832

Oefening 2
1.	805	+	727	=	1.532
2.	704	+	492	=	1.196
3.	625	+	253	=	878
4.	406	+	284	=	690
5.	594	+	228	=	822
6.	998	+	557	=	1.555
7.	926	+	655	=	1.581
8.	818	+	296	=	1.114
9.	665	+	329	=	994
10.	613	+	411	=	1.024

Oefening 3
1.	453	+	378	=	831
2.	666	+	420	=	1.086
3.	640	+	603	=	1.243
4.	960	+	381	=	1.341
5.	560	+	242	=	802
6.	732	+	689	=	1.421
7.	711	+	234	=	945
8.	824	+	330	=	1.154
9.	941	+	617	=	1.558
10.	915	+	294	=	1.209

Oefening 4
1.	980	+	876	=	1.856
2.	553	+	445	=	998
3.	840	+	377	=	1.217
4.	817	+	488	=	1.305
5.	910	+	364	=	1.274
6.	626	+	211	=	837
7.	652	+	320	=	972
8.	566	+	254	=	820
9.	920	+	726	=	1.646
10.	997	+	760	=	1.757