Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	661	+		=	1.090
2.	756	+		=	991
3.	868	+		=	1.290
4.	535	+		=	942
5.	846	+		=	1.522
6.	486	+		=	874
7.	345	+		=	605
8.	531	+		=	797
9.	574	+		=	1.137
10.	936	+		=	1.398

Oefening 2
1.	546	+		=	968
2.	949	+		=	1.817
3.	725	+		=	1.370
4.	538	+		=	1.009
5.	868	+		=	1.643
6.	603	+		=	1.075
7.	855	+		=	1.631
8.	704	+		=	1.044
9.	969	+		=	1.645
10.	829	+		=	1.034

Oefening 3
1.	493	+		=	930
2.	888	+		=	1.505
3.	917	+		=	1.817
4.	926	+		=	1.759
5.	524	+		=	1.026
6.	949	+		=	1.772
7.	725	+		=	1.359
8.	991	+		=	1.563
9.	719	+		=	1.411
10.	759	+		=	1.207

Oefening 4
1.	628	+		=	984
2.	600	+		=	990
3.	838	+		=	1.373
4.	553	+		=	760
5.	755	+		=	1.446
6.	577	+		=	993
7.	672	+		=	1.083
8.	746	+		=	1.017
9.	956	+		=	1.744
10.	478	+		=	782

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	661	+	429	=	1.090
2.	756	+	235	=	991
3.	868	+	422	=	1.290
4.	535	+	407	=	942
5.	846	+	676	=	1.522
6.	486	+	388	=	874
7.	345	+	260	=	605
8.	531	+	266	=	797
9.	574	+	563	=	1.137
10.	936	+	462	=	1.398

Oefening 2
1.	546	+	422	=	968
2.	949	+	868	=	1.817
3.	725	+	645	=	1.370
4.	538	+	471	=	1.009
5.	868	+	775	=	1.643
6.	603	+	472	=	1.075
7.	855	+	776	=	1.631
8.	704	+	340	=	1.044
9.	969	+	676	=	1.645
10.	829	+	205	=	1.034

Oefening 3
1.	493	+	437	=	930
2.	888	+	617	=	1.505
3.	917	+	900	=	1.817
4.	926	+	833	=	1.759
5.	524	+	502	=	1.026
6.	949	+	823	=	1.772
7.	725	+	634	=	1.359
8.	991	+	572	=	1.563
9.	719	+	692	=	1.411
10.	759	+	448	=	1.207

Oefening 4
1.	628	+	356	=	984
2.	600	+	390	=	990
3.	838	+	535	=	1.373
4.	553	+	207	=	760
5.	755	+	691	=	1.446
6.	577	+	416	=	993
7.	672	+	411	=	1.083
8.	746	+	271	=	1.017
9.	956	+	788	=	1.744
10.	478	+	304	=	782