Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	476	+		=	857
2.	748	+		=	1.495
3.	800	+		=	1.037
4.	526	+		=	986
5.	228	+		=	431
6.	898	+		=	1.383
7.	935	+		=	1.612
8.	884	+		=	1.696
9.	611	+		=	1.178
10.	804	+		=	1.209

Oefening 2
1.	660	+		=	1.160
2.	903	+		=	1.686
3.	758	+		=	1.268
4.	780	+		=	1.231
5.	896	+		=	1.620
6.	433	+		=	732
7.	984	+		=	1.383
8.	484	+		=	839
9.	300	+		=	525
10.	889	+		=	1.223

Oefening 3
1.	784	+		=	1.190
2.	843	+		=	1.351
3.	968	+		=	1.865
4.	472	+		=	867
5.	805	+		=	1.258
6.	839	+		=	1.322
7.	957	+		=	1.733
8.	893	+		=	1.209
9.	901	+		=	1.251
10.	754	+		=	1.352

Oefening 4
1.	727	+		=	992
2.	285	+		=	553
3.	933	+		=	1.313
4.	602	+		=	809
5.	608	+		=	911
6.	557	+		=	795
7.	698	+		=	976
8.	920	+		=	1.149
9.	936	+		=	1.792
10.	873	+		=	1.666

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	476	+	381	=	857
2.	748	+	747	=	1.495
3.	800	+	237	=	1.037
4.	526	+	460	=	986
5.	228	+	203	=	431
6.	898	+	485	=	1.383
7.	935	+	677	=	1.612
8.	884	+	812	=	1.696
9.	611	+	567	=	1.178
10.	804	+	405	=	1.209

Oefening 2
1.	660	+	500	=	1.160
2.	903	+	783	=	1.686
3.	758	+	510	=	1.268
4.	780	+	451	=	1.231
5.	896	+	724	=	1.620
6.	433	+	299	=	732
7.	984	+	399	=	1.383
8.	484	+	355	=	839
9.	300	+	225	=	525
10.	889	+	334	=	1.223

Oefening 3
1.	784	+	406	=	1.190
2.	843	+	508	=	1.351
3.	968	+	897	=	1.865
4.	472	+	395	=	867
5.	805	+	453	=	1.258
6.	839	+	483	=	1.322
7.	957	+	776	=	1.733
8.	893	+	316	=	1.209
9.	901	+	350	=	1.251
10.	754	+	598	=	1.352

Oefening 4
1.	727	+	265	=	992
2.	285	+	268	=	553
3.	933	+	380	=	1.313
4.	602	+	207	=	809
5.	608	+	303	=	911
6.	557	+	238	=	795
7.	698	+	278	=	976
8.	920	+	229	=	1.149
9.	936	+	856	=	1.792
10.	873	+	793	=	1.666