Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	484	+		=	893
2.	949	+		=	1.226
3.	395	+		=	727
4.	446	+		=	849
5.	739	+		=	1.468
6.	810	+		=	1.520
7.	679	+		=	945
8.	856	+		=	1.675
9.	376	+		=	647
10.	815	+		=	1.080

Oefening 2
1.	851	+		=	1.325
2.	501	+		=	881
3.	743	+		=	1.380
4.	846	+		=	1.491
5.	657	+		=	1.209
6.	922	+		=	1.518
7.	459	+		=	701
8.	791	+		=	1.460
9.	859	+		=	1.283
10.	858	+		=	1.207

Oefening 3
1.	545	+		=	873
2.	371	+		=	631
3.	926	+		=	1.243
4.	979	+		=	1.392
5.	527	+		=	944
6.	713	+		=	1.027
7.	844	+		=	1.502
8.	899	+		=	1.354
9.	706	+		=	1.327
10.	756	+		=	1.038

Oefening 4
1.	533	+		=	1.043
2.	400	+		=	789
3.	414	+		=	661
4.	972	+		=	1.323
5.	933	+		=	1.323
6.	706	+		=	978
7.	790	+		=	1.437
8.	842	+		=	1.557
9.	847	+		=	1.408
10.	947	+		=	1.430

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	484	+	409	=	893
2.	949	+	277	=	1.226
3.	395	+	332	=	727
4.	446	+	403	=	849
5.	739	+	729	=	1.468
6.	810	+	710	=	1.520
7.	679	+	266	=	945
8.	856	+	819	=	1.675
9.	376	+	271	=	647
10.	815	+	265	=	1.080

Oefening 2
1.	851	+	474	=	1.325
2.	501	+	380	=	881
3.	743	+	637	=	1.380
4.	846	+	645	=	1.491
5.	657	+	552	=	1.209
6.	922	+	596	=	1.518
7.	459	+	242	=	701
8.	791	+	669	=	1.460
9.	859	+	424	=	1.283
10.	858	+	349	=	1.207

Oefening 3
1.	545	+	328	=	873
2.	371	+	260	=	631
3.	926	+	317	=	1.243
4.	979	+	413	=	1.392
5.	527	+	417	=	944
6.	713	+	314	=	1.027
7.	844	+	658	=	1.502
8.	899	+	455	=	1.354
9.	706	+	621	=	1.327
10.	756	+	282	=	1.038

Oefening 4
1.	533	+	510	=	1.043
2.	400	+	389	=	789
3.	414	+	247	=	661
4.	972	+	351	=	1.323
5.	933	+	390	=	1.323
6.	706	+	272	=	978
7.	790	+	647	=	1.437
8.	842	+	715	=	1.557
9.	847	+	561	=	1.408
10.	947	+	483	=	1.430