Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	782	+		=	1.131
2.	649	+		=	1.093
3.	448	+		=	821
4.	649	+		=	1.080
5.	557	+		=	871
6.	782	+		=	1.162
7.	728	+		=	967
8.	751	+		=	997
9.	905	+		=	1.510
10.	743	+		=	1.455

Oefening 2
1.	529	+		=	792
2.	588	+		=	1.154
3.	763	+		=	1.368
4.	413	+		=	697
5.	899	+		=	1.181
6.	993	+		=	1.376
7.	457	+		=	767
8.	701	+		=	1.308
9.	707	+		=	1.318
10.	897	+		=	1.342

Oefening 3
1.	777	+		=	1.208
2.	684	+		=	1.329
3.	953	+		=	1.548
4.	822	+		=	1.378
5.	535	+		=	762
6.	993	+		=	1.348
7.	881	+		=	1.113
8.	949	+		=	1.609
9.	335	+		=	669
10.	557	+		=	867

Oefening 4
1.	696	+		=	1.087
2.	937	+		=	1.329
3.	911	+		=	1.589
4.	658	+		=	1.094
5.	958	+		=	1.915
6.	340	+		=	555
7.	479	+		=	700
8.	965	+		=	1.643
9.	710	+		=	914
10.	599	+		=	928

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	782	+	349	=	1.131
2.	649	+	444	=	1.093
3.	448	+	373	=	821
4.	649	+	431	=	1.080
5.	557	+	314	=	871
6.	782	+	380	=	1.162
7.	728	+	239	=	967
8.	751	+	246	=	997
9.	905	+	605	=	1.510
10.	743	+	712	=	1.455

Oefening 2
1.	529	+	263	=	792
2.	588	+	566	=	1.154
3.	763	+	605	=	1.368
4.	413	+	284	=	697
5.	899	+	282	=	1.181
6.	993	+	383	=	1.376
7.	457	+	310	=	767
8.	701	+	607	=	1.308
9.	707	+	611	=	1.318
10.	897	+	445	=	1.342

Oefening 3
1.	777	+	431	=	1.208
2.	684	+	645	=	1.329
3.	953	+	595	=	1.548
4.	822	+	556	=	1.378
5.	535	+	227	=	762
6.	993	+	355	=	1.348
7.	881	+	232	=	1.113
8.	949	+	660	=	1.609
9.	335	+	334	=	669
10.	557	+	310	=	867

Oefening 4
1.	696	+	391	=	1.087
2.	937	+	392	=	1.329
3.	911	+	678	=	1.589
4.	658	+	436	=	1.094
5.	958	+	957	=	1.915
6.	340	+	215	=	555
7.	479	+	221	=	700
8.	965	+	678	=	1.643
9.	710	+	204	=	914
10.	599	+	329	=	928