Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	834	+		=	1.332
2.	918	+		=	1.243
3.	467	+		=	861
4.	728	+		=	1.453
5.	989	+		=	1.831
6.	964	+		=	1.421
7.	870	+		=	1.225
8.	328	+		=	617
9.	261	+		=	485
10.	966	+		=	1.174

Oefening 2
1.	976	+		=	1.295
2.	622	+		=	1.238
3.	737	+		=	1.261
4.	566	+		=	972
5.	893	+		=	1.647
6.	709	+		=	1.318
7.	783	+		=	1.459
8.	693	+		=	1.141
9.	858	+		=	1.458
10.	860	+		=	1.155

Oefening 3
1.	930	+		=	1.168
2.	901	+		=	1.328
3.	776	+		=	979
4.	808	+		=	1.285
5.	273	+		=	493
6.	773	+		=	1.009
7.	634	+		=	1.252
8.	664	+		=	1.129
9.	346	+		=	638
10.	880	+		=	1.418

Oefening 4
1.	539	+		=	759
2.	616	+		=	1.054
3.	957	+		=	1.797
4.	899	+		=	1.725
5.	981	+		=	1.470
6.	475	+		=	776
7.	883	+		=	1.438
8.	789	+		=	1.362
9.	433	+		=	742
10.	764	+		=	1.307

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	834	+	498	=	1.332
2.	918	+	325	=	1.243
3.	467	+	394	=	861
4.	728	+	725	=	1.453
5.	989	+	842	=	1.831
6.	964	+	457	=	1.421
7.	870	+	355	=	1.225
8.	328	+	289	=	617
9.	261	+	224	=	485
10.	966	+	208	=	1.174

Oefening 2
1.	976	+	319	=	1.295
2.	622	+	616	=	1.238
3.	737	+	524	=	1.261
4.	566	+	406	=	972
5.	893	+	754	=	1.647
6.	709	+	609	=	1.318
7.	783	+	676	=	1.459
8.	693	+	448	=	1.141
9.	858	+	600	=	1.458
10.	860	+	295	=	1.155

Oefening 3
1.	930	+	238	=	1.168
2.	901	+	427	=	1.328
3.	776	+	203	=	979
4.	808	+	477	=	1.285
5.	273	+	220	=	493
6.	773	+	236	=	1.009
7.	634	+	618	=	1.252
8.	664	+	465	=	1.129
9.	346	+	292	=	638
10.	880	+	538	=	1.418

Oefening 4
1.	539	+	220	=	759
2.	616	+	438	=	1.054
3.	957	+	840	=	1.797
4.	899	+	826	=	1.725
5.	981	+	489	=	1.470
6.	475	+	301	=	776
7.	883	+	555	=	1.438
8.	789	+	573	=	1.362
9.	433	+	309	=	742
10.	764	+	543	=	1.307