Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	940	+		=	1.603
2.	928	+		=	1.724
3.	363	+		=	646
4.	729	+		=	1.355
5.	336	+		=	650
6.	635	+		=	861
7.	921	+		=	1.337
8.	429	+		=	664
9.	572	+		=	1.073
10.	940	+		=	1.307

Oefening 2
1.	641	+		=	850
2.	998	+		=	1.314
3.	873	+		=	1.260
4.	786	+		=	1.123
5.	993	+		=	1.445
6.	292	+		=	538
7.	513	+		=	869
8.	814	+		=	1.440
9.	614	+		=	947
10.	808	+		=	1.499

Oefening 3
1.	647	+		=	955
2.	889	+		=	1.533
3.	577	+		=	1.028
4.	785	+		=	1.317
5.	644	+		=	860
6.	935	+		=	1.822
7.	688	+		=	949
8.	844	+		=	1.545
9.	503	+		=	865
10.	774	+		=	1.465

Oefening 4
1.	483	+		=	831
2.	763	+		=	1.327
3.	627	+		=	838
4.	826	+		=	1.217
5.	624	+		=	847
6.	383	+		=	654
7.	902	+		=	1.630
8.	492	+		=	872
9.	432	+		=	756
10.	740	+		=	1.083

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	940	+	663	=	1.603
2.	928	+	796	=	1.724
3.	363	+	283	=	646
4.	729	+	626	=	1.355
5.	336	+	314	=	650
6.	635	+	226	=	861
7.	921	+	416	=	1.337
8.	429	+	235	=	664
9.	572	+	501	=	1.073
10.	940	+	367	=	1.307

Oefening 2
1.	641	+	209	=	850
2.	998	+	316	=	1.314
3.	873	+	387	=	1.260
4.	786	+	337	=	1.123
5.	993	+	452	=	1.445
6.	292	+	246	=	538
7.	513	+	356	=	869
8.	814	+	626	=	1.440
9.	614	+	333	=	947
10.	808	+	691	=	1.499

Oefening 3
1.	647	+	308	=	955
2.	889	+	644	=	1.533
3.	577	+	451	=	1.028
4.	785	+	532	=	1.317
5.	644	+	216	=	860
6.	935	+	887	=	1.822
7.	688	+	261	=	949
8.	844	+	701	=	1.545
9.	503	+	362	=	865
10.	774	+	691	=	1.465

Oefening 4
1.	483	+	348	=	831
2.	763	+	564	=	1.327
3.	627	+	211	=	838
4.	826	+	391	=	1.217
5.	624	+	223	=	847
6.	383	+	271	=	654
7.	902	+	728	=	1.630
8.	492	+	380	=	872
9.	432	+	324	=	756
10.	740	+	343	=	1.083