Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	581	+		=	1.017
2.	746	+		=	1.115
3.	340	+		=	625
4.	988	+		=	1.513
5.	671	+		=	1.163
6.	966	+		=	1.234
7.	535	+		=	807
8.	851	+		=	1.262
9.	961	+		=	1.889
10.	839	+		=	1.365

Oefening 2
1.	471	+		=	677
2.	659	+		=	1.298
3.	855	+		=	1.508
4.	880	+		=	1.715
5.	879	+		=	1.492
6.	901	+		=	1.256
7.	1.000	+		=	1.211
8.	698	+		=	1.392
9.	479	+		=	798
10.	625	+		=	942

Oefening 3
1.	958	+		=	1.808
2.	533	+		=	1.024
3.	952	+		=	1.207
4.	896	+		=	1.235
5.	824	+		=	1.542
6.	860	+		=	1.270
7.	691	+		=	1.265
8.	941	+		=	1.812
9.	878	+		=	1.148
10.	805	+		=	1.173

Oefening 4
1.	715	+		=	1.180
2.	921	+		=	1.667
3.	799	+		=	1.349
4.	828	+		=	1.161
5.	778	+		=	1.467
6.	817	+		=	1.514
7.	898	+		=	1.357
8.	554	+		=	821
9.	696	+		=	1.191
10.	785	+		=	1.487

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	581	+	436	=	1.017
2.	746	+	369	=	1.115
3.	340	+	285	=	625
4.	988	+	525	=	1.513
5.	671	+	492	=	1.163
6.	966	+	268	=	1.234
7.	535	+	272	=	807
8.	851	+	411	=	1.262
9.	961	+	928	=	1.889
10.	839	+	526	=	1.365

Oefening 2
1.	471	+	206	=	677
2.	659	+	639	=	1.298
3.	855	+	653	=	1.508
4.	880	+	835	=	1.715
5.	879	+	613	=	1.492
6.	901	+	355	=	1.256
7.	1.000	+	211	=	1.211
8.	698	+	694	=	1.392
9.	479	+	319	=	798
10.	625	+	317	=	942

Oefening 3
1.	958	+	850	=	1.808
2.	533	+	491	=	1.024
3.	952	+	255	=	1.207
4.	896	+	339	=	1.235
5.	824	+	718	=	1.542
6.	860	+	410	=	1.270
7.	691	+	574	=	1.265
8.	941	+	871	=	1.812
9.	878	+	270	=	1.148
10.	805	+	368	=	1.173

Oefening 4
1.	715	+	465	=	1.180
2.	921	+	746	=	1.667
3.	799	+	550	=	1.349
4.	828	+	333	=	1.161
5.	778	+	689	=	1.467
6.	817	+	697	=	1.514
7.	898	+	459	=	1.357
8.	554	+	267	=	821
9.	696	+	495	=	1.191
10.	785	+	702	=	1.487