Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	621	+		=	1.008
2.	987	+		=	1.716
3.	887	+		=	1.458
4.	746	+		=	1.224
5.	783	+		=	1.324
6.	772	+		=	1.322
7.	947	+		=	1.448
8.	976	+		=	1.213
9.	745	+		=	1.188
10.	988	+		=	1.318

Oefening 2
1.	705	+		=	1.149
2.	730	+		=	1.453
3.	725	+		=	1.116
4.	783	+		=	1.439
5.	640	+		=	1.261
6.	309	+		=	601
7.	352	+		=	614
8.	277	+		=	552
9.	789	+		=	1.553
10.	620	+		=	1.224

Oefening 3
1.	674	+		=	1.327
2.	963	+		=	1.760
3.	809	+		=	1.495
4.	771	+		=	1.077
5.	743	+		=	1.117
6.	557	+		=	1.033
7.	966	+		=	1.481
8.	824	+		=	1.115
9.	864	+		=	1.491
10.	644	+		=	908

Oefening 4
1.	671	+		=	1.068
2.	388	+		=	759
3.	753	+		=	1.394
4.	399	+		=	723
5.	551	+		=	1.005
6.	839	+		=	1.678
7.	968	+		=	1.869
8.	786	+		=	1.433
9.	742	+		=	1.389
10.	820	+		=	1.485

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	621	+	387	=	1.008
2.	987	+	729	=	1.716
3.	887	+	571	=	1.458
4.	746	+	478	=	1.224
5.	783	+	541	=	1.324
6.	772	+	550	=	1.322
7.	947	+	501	=	1.448
8.	976	+	237	=	1.213
9.	745	+	443	=	1.188
10.	988	+	330	=	1.318

Oefening 2
1.	705	+	444	=	1.149
2.	730	+	723	=	1.453
3.	725	+	391	=	1.116
4.	783	+	656	=	1.439
5.	640	+	621	=	1.261
6.	309	+	292	=	601
7.	352	+	262	=	614
8.	277	+	275	=	552
9.	789	+	764	=	1.553
10.	620	+	604	=	1.224

Oefening 3
1.	674	+	653	=	1.327
2.	963	+	797	=	1.760
3.	809	+	686	=	1.495
4.	771	+	306	=	1.077
5.	743	+	374	=	1.117
6.	557	+	476	=	1.033
7.	966	+	515	=	1.481
8.	824	+	291	=	1.115
9.	864	+	627	=	1.491
10.	644	+	264	=	908

Oefening 4
1.	671	+	397	=	1.068
2.	388	+	371	=	759
3.	753	+	641	=	1.394
4.	399	+	324	=	723
5.	551	+	454	=	1.005
6.	839	+	839	=	1.678
7.	968	+	901	=	1.869
8.	786	+	647	=	1.433
9.	742	+	647	=	1.389
10.	820	+	665	=	1.485