Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	984	+		=	1.836
2.	653	+		=	1.237
3.	484	+		=	949
4.	415	+		=	789
5.	637	+		=	1.139
6.	529	+		=	903
7.	746	+		=	1.171
8.	810	+		=	1.130
9.	797	+		=	1.516
10.	968	+		=	1.508

Oefening 2
1.	910	+		=	1.479
2.	766	+		=	1.274
3.	899	+		=	1.693
4.	895	+		=	1.554
5.	920	+		=	1.497
6.	895	+		=	1.334
7.	918	+		=	1.485
8.	857	+		=	1.144
9.	654	+		=	903
10.	845	+		=	1.665

Oefening 3
1.	488	+		=	814
2.	938	+		=	1.465
3.	662	+		=	1.088
4.	991	+		=	1.356
5.	961	+		=	1.892
6.	524	+		=	984
7.	480	+		=	759
8.	888	+		=	1.290
9.	912	+		=	1.443
10.	637	+		=	1.121

Oefening 4
1.	545	+		=	1.060
2.	985	+		=	1.704
3.	724	+		=	939
4.	611	+		=	1.053
5.	616	+		=	836
6.	647	+		=	1.177
7.	691	+		=	919
8.	514	+		=	1.017
9.	505	+		=	912
10.	440	+		=	664

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	984	+	852	=	1.836
2.	653	+	584	=	1.237
3.	484	+	465	=	949
4.	415	+	374	=	789
5.	637	+	502	=	1.139
6.	529	+	374	=	903
7.	746	+	425	=	1.171
8.	810	+	320	=	1.130
9.	797	+	719	=	1.516
10.	968	+	540	=	1.508

Oefening 2
1.	910	+	569	=	1.479
2.	766	+	508	=	1.274
3.	899	+	794	=	1.693
4.	895	+	659	=	1.554
5.	920	+	577	=	1.497
6.	895	+	439	=	1.334
7.	918	+	567	=	1.485
8.	857	+	287	=	1.144
9.	654	+	249	=	903
10.	845	+	820	=	1.665

Oefening 3
1.	488	+	326	=	814
2.	938	+	527	=	1.465
3.	662	+	426	=	1.088
4.	991	+	365	=	1.356
5.	961	+	931	=	1.892
6.	524	+	460	=	984
7.	480	+	279	=	759
8.	888	+	402	=	1.290
9.	912	+	531	=	1.443
10.	637	+	484	=	1.121

Oefening 4
1.	545	+	515	=	1.060
2.	985	+	719	=	1.704
3.	724	+	215	=	939
4.	611	+	442	=	1.053
5.	616	+	220	=	836
6.	647	+	530	=	1.177
7.	691	+	228	=	919
8.	514	+	503	=	1.017
9.	505	+	407	=	912
10.	440	+	224	=	664