Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	727	+		=	1.187
2.	489	+		=	707
3.	920	+		=	1.642
4.	763	+		=	1.435
5.	698	+		=	1.326
6.	923	+		=	1.271
7.	770	+		=	1.043
8.	458	+		=	667
9.	721	+		=	1.362
10.	721	+		=	1.212

Oefening 2
1.	879	+		=	1.150
2.	705	+		=	987
3.	897	+		=	1.636
4.	765	+		=	976
5.	616	+		=	1.201
6.	387	+		=	747
7.	999	+		=	1.520
8.	896	+		=	1.196
9.	866	+		=	1.213
10.	988	+		=	1.972

Oefening 3
1.	897	+		=	1.484
2.	900	+		=	1.581
3.	853	+		=	1.204
4.	809	+		=	1.314
5.	784	+		=	1.241
6.	902	+		=	1.123
7.	391	+		=	749
8.	603	+		=	813
9.	984	+		=	1.589
10.	514	+		=	853

Oefening 4
1.	899	+		=	1.207
2.	864	+		=	1.721
3.	698	+		=	1.229
4.	732	+		=	1.204
5.	793	+		=	1.009
6.	978	+		=	1.852
7.	1.000	+		=	1.882
8.	848	+		=	1.281
9.	629	+		=	831
10.	892	+		=	1.400

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	727	+	460	=	1.187
2.	489	+	218	=	707
3.	920	+	722	=	1.642
4.	763	+	672	=	1.435
5.	698	+	628	=	1.326
6.	923	+	348	=	1.271
7.	770	+	273	=	1.043
8.	458	+	209	=	667
9.	721	+	641	=	1.362
10.	721	+	491	=	1.212

Oefening 2
1.	879	+	271	=	1.150
2.	705	+	282	=	987
3.	897	+	739	=	1.636
4.	765	+	211	=	976
5.	616	+	585	=	1.201
6.	387	+	360	=	747
7.	999	+	521	=	1.520
8.	896	+	300	=	1.196
9.	866	+	347	=	1.213
10.	988	+	984	=	1.972

Oefening 3
1.	897	+	587	=	1.484
2.	900	+	681	=	1.581
3.	853	+	351	=	1.204
4.	809	+	505	=	1.314
5.	784	+	457	=	1.241
6.	902	+	221	=	1.123
7.	391	+	358	=	749
8.	603	+	210	=	813
9.	984	+	605	=	1.589
10.	514	+	339	=	853

Oefening 4
1.	899	+	308	=	1.207
2.	864	+	857	=	1.721
3.	698	+	531	=	1.229
4.	732	+	472	=	1.204
5.	793	+	216	=	1.009
6.	978	+	874	=	1.852
7.	1.000	+	882	=	1.882
8.	848	+	433	=	1.281
9.	629	+	202	=	831
10.	892	+	508	=	1.400