Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	480	+		=	763
2.	984	+		=	1.879
3.	623	+		=	936
4.	923	+		=	1.557
5.	817	+		=	1.605
6.	978	+		=	1.432
7.	679	+		=	1.102
8.	878	+		=	1.437
9.	784	+		=	1.519
10.	691	+		=	1.059

Oefening 2
1.	735	+		=	1.181
2.	891	+		=	1.592
3.	771	+		=	1.501
4.	923	+		=	1.584
5.	892	+		=	1.153
6.	911	+		=	1.149
7.	771	+		=	1.449
8.	878	+		=	1.125
9.	760	+		=	1.347
10.	736	+		=	1.031

Oefening 3
1.	591	+		=	1.051
2.	653	+		=	1.275
3.	900	+		=	1.752
4.	900	+		=	1.468
5.	472	+		=	770
6.	824	+		=	1.413
7.	465	+		=	846
8.	745	+		=	1.121
9.	872	+		=	1.275
10.	491	+		=	805

Oefening 4
1.	313	+		=	515
2.	481	+		=	885
3.	866	+		=	1.509
4.	964	+		=	1.427
5.	749	+		=	1.126
6.	784	+		=	1.452
7.	742	+		=	1.448
8.	473	+		=	804
9.	605	+		=	1.104
10.	730	+		=	1.060

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	480	+	283	=	763
2.	984	+	895	=	1.879
3.	623	+	313	=	936
4.	923	+	634	=	1.557
5.	817	+	788	=	1.605
6.	978	+	454	=	1.432
7.	679	+	423	=	1.102
8.	878	+	559	=	1.437
9.	784	+	735	=	1.519
10.	691	+	368	=	1.059

Oefening 2
1.	735	+	446	=	1.181
2.	891	+	701	=	1.592
3.	771	+	730	=	1.501
4.	923	+	661	=	1.584
5.	892	+	261	=	1.153
6.	911	+	238	=	1.149
7.	771	+	678	=	1.449
8.	878	+	247	=	1.125
9.	760	+	587	=	1.347
10.	736	+	295	=	1.031

Oefening 3
1.	591	+	460	=	1.051
2.	653	+	622	=	1.275
3.	900	+	852	=	1.752
4.	900	+	568	=	1.468
5.	472	+	298	=	770
6.	824	+	589	=	1.413
7.	465	+	381	=	846
8.	745	+	376	=	1.121
9.	872	+	403	=	1.275
10.	491	+	314	=	805

Oefening 4
1.	313	+	202	=	515
2.	481	+	404	=	885
3.	866	+	643	=	1.509
4.	964	+	463	=	1.427
5.	749	+	377	=	1.126
6.	784	+	668	=	1.452
7.	742	+	706	=	1.448
8.	473	+	331	=	804
9.	605	+	499	=	1.104
10.	730	+	330	=	1.060