Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	595	+		=	813
2.	834	+		=	1.330
3.	764	+		=	1.094
4.	487	+		=	745
5.	779	+		=	1.180
6.	799	+		=	1.255
7.	215	+		=	421
8.	390	+		=	637
9.	749	+		=	1.021
10.	776	+		=	1.313

Oefening 2
1.	978	+		=	1.938
2.	862	+		=	1.156
3.	623	+		=	1.200
4.	359	+		=	602
5.	350	+		=	623
6.	951	+		=	1.445
7.	832	+		=	1.360
8.	921	+		=	1.261
9.	978	+		=	1.579
10.	796	+		=	1.385

Oefening 3
1.	802	+		=	1.556
2.	730	+		=	984
3.	819	+		=	1.598
4.	848	+		=	1.330
5.	670	+		=	1.133
6.	636	+		=	974
7.	890	+		=	1.478
8.	928	+		=	1.285
9.	325	+		=	629
10.	664	+		=	1.315

Oefening 4
1.	898	+		=	1.147
2.	711	+		=	1.338
3.	832	+		=	1.389
4.	711	+		=	1.236
5.	293	+		=	578
6.	533	+		=	974
7.	937	+		=	1.315
8.	694	+		=	997
9.	720	+		=	997
10.	976	+		=	1.542

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	595	+	218	=	813
2.	834	+	496	=	1.330
3.	764	+	330	=	1.094
4.	487	+	258	=	745
5.	779	+	401	=	1.180
6.	799	+	456	=	1.255
7.	215	+	206	=	421
8.	390	+	247	=	637
9.	749	+	272	=	1.021
10.	776	+	537	=	1.313

Oefening 2
1.	978	+	960	=	1.938
2.	862	+	294	=	1.156
3.	623	+	577	=	1.200
4.	359	+	243	=	602
5.	350	+	273	=	623
6.	951	+	494	=	1.445
7.	832	+	528	=	1.360
8.	921	+	340	=	1.261
9.	978	+	601	=	1.579
10.	796	+	589	=	1.385

Oefening 3
1.	802	+	754	=	1.556
2.	730	+	254	=	984
3.	819	+	779	=	1.598
4.	848	+	482	=	1.330
5.	670	+	463	=	1.133
6.	636	+	338	=	974
7.	890	+	588	=	1.478
8.	928	+	357	=	1.285
9.	325	+	304	=	629
10.	664	+	651	=	1.315

Oefening 4
1.	898	+	249	=	1.147
2.	711	+	627	=	1.338
3.	832	+	557	=	1.389
4.	711	+	525	=	1.236
5.	293	+	285	=	578
6.	533	+	441	=	974
7.	937	+	378	=	1.315
8.	694	+	303	=	997
9.	720	+	277	=	997
10.	976	+	566	=	1.542