Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	579	+		=	953
2.	864	+		=	1.509
3.	674	+		=	1.041
4.	756	+		=	1.422
5.	421	+		=	729
6.	933	+		=	1.264
7.	555	+		=	780
8.	991	+		=	1.646
9.	818	+		=	1.272
10.	858	+		=	1.388

Oefening 2
1.	939	+		=	1.365
2.	553	+		=	986
3.	940	+		=	1.305
4.	483	+		=	699
5.	247	+		=	466
6.	918	+		=	1.495
7.	774	+		=	1.088
8.	814	+		=	1.095
9.	988	+		=	1.822
10.	998	+		=	1.960

Oefening 3
1.	404	+		=	749
2.	446	+		=	889
3.	852	+		=	1.673
4.	733	+		=	1.026
5.	547	+		=	918
6.	914	+		=	1.766
7.	908	+		=	1.510
8.	831	+		=	1.228
9.	342	+		=	664
10.	709	+		=	1.282

Oefening 4
1.	614	+		=	1.049
2.	662	+		=	1.007
3.	458	+		=	706
4.	602	+		=	927
5.	855	+		=	1.290
6.	837	+		=	1.200
7.	673	+		=	1.025
8.	893	+		=	1.248
9.	779	+		=	1.055
10.	735	+		=	1.323

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	579	+	374	=	953
2.	864	+	645	=	1.509
3.	674	+	367	=	1.041
4.	756	+	666	=	1.422
5.	421	+	308	=	729
6.	933	+	331	=	1.264
7.	555	+	225	=	780
8.	991	+	655	=	1.646
9.	818	+	454	=	1.272
10.	858	+	530	=	1.388

Oefening 2
1.	939	+	426	=	1.365
2.	553	+	433	=	986
3.	940	+	365	=	1.305
4.	483	+	216	=	699
5.	247	+	219	=	466
6.	918	+	577	=	1.495
7.	774	+	314	=	1.088
8.	814	+	281	=	1.095
9.	988	+	834	=	1.822
10.	998	+	962	=	1.960

Oefening 3
1.	404	+	345	=	749
2.	446	+	443	=	889
3.	852	+	821	=	1.673
4.	733	+	293	=	1.026
5.	547	+	371	=	918
6.	914	+	852	=	1.766
7.	908	+	602	=	1.510
8.	831	+	397	=	1.228
9.	342	+	322	=	664
10.	709	+	573	=	1.282

Oefening 4
1.	614	+	435	=	1.049
2.	662	+	345	=	1.007
3.	458	+	248	=	706
4.	602	+	325	=	927
5.	855	+	435	=	1.290
6.	837	+	363	=	1.200
7.	673	+	352	=	1.025
8.	893	+	355	=	1.248
9.	779	+	276	=	1.055
10.	735	+	588	=	1.323