Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	770	+		=	1.127
2.	636	+		=	1.015
3.	839	+		=	1.144
4.	894	+		=	1.744
5.	957	+		=	1.236
6.	781	+		=	1.238
7.	987	+		=	1.960
8.	691	+		=	1.268
9.	818	+		=	1.040
10.	970	+		=	1.428

Oefening 2
1.	986	+		=	1.848
2.	900	+		=	1.408
3.	927	+		=	1.268
4.	829	+		=	1.098
5.	789	+		=	1.456
6.	848	+		=	1.053
7.	501	+		=	990
8.	862	+		=	1.566
9.	672	+		=	1.093
10.	765	+		=	1.146

Oefening 3
1.	825	+		=	1.638
2.	487	+		=	732
3.	542	+		=	955
4.	906	+		=	1.799
5.	531	+		=	819
6.	686	+		=	1.115
7.	734	+		=	1.129
8.	619	+		=	991
9.	937	+		=	1.325
10.	759	+		=	1.387

Oefening 4
1.	981	+		=	1.401
2.	699	+		=	904
3.	479	+		=	836
4.	944	+		=	1.798
5.	949	+		=	1.513
6.	975	+		=	1.188
7.	777	+		=	1.049
8.	612	+		=	846
9.	940	+		=	1.392
10.	870	+		=	1.568

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	770	+	357	=	1.127
2.	636	+	379	=	1.015
3.	839	+	305	=	1.144
4.	894	+	850	=	1.744
5.	957	+	279	=	1.236
6.	781	+	457	=	1.238
7.	987	+	973	=	1.960
8.	691	+	577	=	1.268
9.	818	+	222	=	1.040
10.	970	+	458	=	1.428

Oefening 2
1.	986	+	862	=	1.848
2.	900	+	508	=	1.408
3.	927	+	341	=	1.268
4.	829	+	269	=	1.098
5.	789	+	667	=	1.456
6.	848	+	205	=	1.053
7.	501	+	489	=	990
8.	862	+	704	=	1.566
9.	672	+	421	=	1.093
10.	765	+	381	=	1.146

Oefening 3
1.	825	+	813	=	1.638
2.	487	+	245	=	732
3.	542	+	413	=	955
4.	906	+	893	=	1.799
5.	531	+	288	=	819
6.	686	+	429	=	1.115
7.	734	+	395	=	1.129
8.	619	+	372	=	991
9.	937	+	388	=	1.325
10.	759	+	628	=	1.387

Oefening 4
1.	981	+	420	=	1.401
2.	699	+	205	=	904
3.	479	+	357	=	836
4.	944	+	854	=	1.798
5.	949	+	564	=	1.513
6.	975	+	213	=	1.188
7.	777	+	272	=	1.049
8.	612	+	234	=	846
9.	940	+	452	=	1.392
10.	870	+	698	=	1.568