Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	499	+		=	891
2.	718	+		=	1.040
3.	855	+		=	1.067
4.	884	+		=	1.614
5.	783	+		=	1.250
6.	309	+		=	557
7.	675	+		=	923
8.	541	+		=	774
9.	945	+		=	1.700
10.	785	+		=	1.369

Oefening 2
1.	758	+		=	1.289
2.	869	+		=	1.613
3.	607	+		=	870
4.	547	+		=	928
5.	920	+		=	1.400
6.	232	+		=	438
7.	400	+		=	711
8.	566	+		=	1.064
9.	839	+		=	1.573
10.	424	+		=	752

Oefening 3
1.	773	+		=	1.503
2.	902	+		=	1.552
3.	837	+		=	1.659
4.	728	+		=	934
5.	615	+		=	949
6.	631	+		=	901
7.	986	+		=	1.284
8.	769	+		=	1.216
9.	932	+		=	1.192
10.	884	+		=	1.492

Oefening 4
1.	886	+		=	1.608
2.	494	+		=	877
3.	628	+		=	1.072
4.	747	+		=	1.248
5.	893	+		=	1.500
6.	399	+		=	753
7.	939	+		=	1.298
8.	876	+		=	1.280
9.	930	+		=	1.152
10.	987	+		=	1.662

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	499	+	392	=	891
2.	718	+	322	=	1.040
3.	855	+	212	=	1.067
4.	884	+	730	=	1.614
5.	783	+	467	=	1.250
6.	309	+	248	=	557
7.	675	+	248	=	923
8.	541	+	233	=	774
9.	945	+	755	=	1.700
10.	785	+	584	=	1.369

Oefening 2
1.	758	+	531	=	1.289
2.	869	+	744	=	1.613
3.	607	+	263	=	870
4.	547	+	381	=	928
5.	920	+	480	=	1.400
6.	232	+	206	=	438
7.	400	+	311	=	711
8.	566	+	498	=	1.064
9.	839	+	734	=	1.573
10.	424	+	328	=	752

Oefening 3
1.	773	+	730	=	1.503
2.	902	+	650	=	1.552
3.	837	+	822	=	1.659
4.	728	+	206	=	934
5.	615	+	334	=	949
6.	631	+	270	=	901
7.	986	+	298	=	1.284
8.	769	+	447	=	1.216
9.	932	+	260	=	1.192
10.	884	+	608	=	1.492

Oefening 4
1.	886	+	722	=	1.608
2.	494	+	383	=	877
3.	628	+	444	=	1.072
4.	747	+	501	=	1.248
5.	893	+	607	=	1.500
6.	399	+	354	=	753
7.	939	+	359	=	1.298
8.	876	+	404	=	1.280
9.	930	+	222	=	1.152
10.	987	+	675	=	1.662