Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	681	+		=	922
2.	700	+		=	959
3.	929	+		=	1.704
4.	689	+		=	974
5.	691	+		=	1.144
6.	779	+		=	1.142
7.	677	+		=	1.242
8.	847	+		=	1.350
9.	924	+		=	1.824
10.	918	+		=	1.730

Oefening 2
1.	301	+		=	561
2.	980	+		=	1.505
3.	938	+		=	1.798
4.	662	+		=	1.152
5.	822	+		=	1.060
6.	634	+		=	1.266
7.	493	+		=	971
8.	944	+		=	1.229
9.	785	+		=	1.450
10.	475	+		=	760

Oefening 3
1.	926	+		=	1.590
2.	709	+		=	1.148
3.	679	+		=	920
4.	560	+		=	1.021
5.	798	+		=	1.489
6.	822	+		=	1.113
7.	988	+		=	1.264
8.	833	+		=	1.321
9.	585	+		=	1.088
10.	637	+		=	1.004

Oefening 4
1.	351	+		=	634
2.	611	+		=	814
3.	804	+		=	1.592
4.	628	+		=	1.034
5.	939	+		=	1.594
6.	860	+		=	1.141
7.	918	+		=	1.471
8.	440	+		=	785
9.	832	+		=	1.346
10.	865	+		=	1.218

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	681	+	241	=	922
2.	700	+	259	=	959
3.	929	+	775	=	1.704
4.	689	+	285	=	974
5.	691	+	453	=	1.144
6.	779	+	363	=	1.142
7.	677	+	565	=	1.242
8.	847	+	503	=	1.350
9.	924	+	900	=	1.824
10.	918	+	812	=	1.730

Oefening 2
1.	301	+	260	=	561
2.	980	+	525	=	1.505
3.	938	+	860	=	1.798
4.	662	+	490	=	1.152
5.	822	+	238	=	1.060
6.	634	+	632	=	1.266
7.	493	+	478	=	971
8.	944	+	285	=	1.229
9.	785	+	665	=	1.450
10.	475	+	285	=	760

Oefening 3
1.	926	+	664	=	1.590
2.	709	+	439	=	1.148
3.	679	+	241	=	920
4.	560	+	461	=	1.021
5.	798	+	691	=	1.489
6.	822	+	291	=	1.113
7.	988	+	276	=	1.264
8.	833	+	488	=	1.321
9.	585	+	503	=	1.088
10.	637	+	367	=	1.004

Oefening 4
1.	351	+	283	=	634
2.	611	+	203	=	814
3.	804	+	788	=	1.592
4.	628	+	406	=	1.034
5.	939	+	655	=	1.594
6.	860	+	281	=	1.141
7.	918	+	553	=	1.471
8.	440	+	345	=	785
9.	832	+	514	=	1.346
10.	865	+	353	=	1.218