Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	641	+		=	1.202
2.	486	+		=	800
3.	474	+		=	947
4.	708	+		=	1.286
5.	956	+		=	1.699
6.	968	+		=	1.569
7.	637	+		=	955
8.	828	+		=	1.091
9.	998	+		=	1.768
10.	880	+		=	1.540

Oefening 2
1.	966	+		=	1.781
2.	444	+		=	810
3.	491	+		=	969
4.	522	+		=	942
5.	760	+		=	1.364
6.	701	+		=	995
7.	970	+		=	1.915
8.	781	+		=	1.528
9.	959	+		=	1.235
10.	912	+		=	1.775

Oefening 3
1.	709	+		=	1.097
2.	911	+		=	1.786
3.	777	+		=	1.505
4.	841	+		=	1.447
5.	380	+		=	743
6.	924	+		=	1.536
7.	773	+		=	1.478
8.	863	+		=	1.387
9.	490	+		=	903
10.	936	+		=	1.438

Oefening 4
1.	696	+		=	1.064
2.	798	+		=	1.346
3.	832	+		=	1.413
4.	926	+		=	1.752
5.	405	+		=	607
6.	906	+		=	1.677
7.	390	+		=	737
8.	623	+		=	1.103
9.	958	+		=	1.514
10.	857	+		=	1.631

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	641	+	561	=	1.202
2.	486	+	314	=	800
3.	474	+	473	=	947
4.	708	+	578	=	1.286
5.	956	+	743	=	1.699
6.	968	+	601	=	1.569
7.	637	+	318	=	955
8.	828	+	263	=	1.091
9.	998	+	770	=	1.768
10.	880	+	660	=	1.540

Oefening 2
1.	966	+	815	=	1.781
2.	444	+	366	=	810
3.	491	+	478	=	969
4.	522	+	420	=	942
5.	760	+	604	=	1.364
6.	701	+	294	=	995
7.	970	+	945	=	1.915
8.	781	+	747	=	1.528
9.	959	+	276	=	1.235
10.	912	+	863	=	1.775

Oefening 3
1.	709	+	388	=	1.097
2.	911	+	875	=	1.786
3.	777	+	728	=	1.505
4.	841	+	606	=	1.447
5.	380	+	363	=	743
6.	924	+	612	=	1.536
7.	773	+	705	=	1.478
8.	863	+	524	=	1.387
9.	490	+	413	=	903
10.	936	+	502	=	1.438

Oefening 4
1.	696	+	368	=	1.064
2.	798	+	548	=	1.346
3.	832	+	581	=	1.413
4.	926	+	826	=	1.752
5.	405	+	202	=	607
6.	906	+	771	=	1.677
7.	390	+	347	=	737
8.	623	+	480	=	1.103
9.	958	+	556	=	1.514
10.	857	+	774	=	1.631