Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	544	+		=	972
2.	486	+		=	787
3.	395	+		=	720
4.	576	+		=	798
5.	932	+		=	1.144
6.	771	+		=	1.428
7.	434	+		=	748
8.	797	+		=	1.294
9.	788	+		=	1.568
10.	563	+		=	763

Oefening 2
1.	717	+		=	1.087
2.	614	+		=	1.132
3.	604	+		=	1.052
4.	731	+		=	1.414
5.	403	+		=	743
6.	341	+		=	679
7.	586	+		=	932
8.	445	+		=	882
9.	782	+		=	1.417
10.	603	+		=	847

Oefening 3
1.	665	+		=	1.272
2.	820	+		=	1.294
3.	899	+		=	1.681
4.	873	+		=	1.187
5.	720	+		=	1.391
6.	756	+		=	1.284
7.	838	+		=	1.327
8.	766	+		=	1.337
9.	996	+		=	1.607
10.	845	+		=	1.129

Oefening 4
1.	805	+		=	1.382
2.	868	+		=	1.689
3.	966	+		=	1.375
4.	449	+		=	773
5.	784	+		=	1.533
6.	802	+		=	1.312
7.	827	+		=	1.169
8.	875	+		=	1.109
9.	858	+		=	1.485
10.	843	+		=	1.254

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	544	+	428	=	972
2.	486	+	301	=	787
3.	395	+	325	=	720
4.	576	+	222	=	798
5.	932	+	212	=	1.144
6.	771	+	657	=	1.428
7.	434	+	314	=	748
8.	797	+	497	=	1.294
9.	788	+	780	=	1.568
10.	563	+	200	=	763

Oefening 2
1.	717	+	370	=	1.087
2.	614	+	518	=	1.132
3.	604	+	448	=	1.052
4.	731	+	683	=	1.414
5.	403	+	340	=	743
6.	341	+	338	=	679
7.	586	+	346	=	932
8.	445	+	437	=	882
9.	782	+	635	=	1.417
10.	603	+	244	=	847

Oefening 3
1.	665	+	607	=	1.272
2.	820	+	474	=	1.294
3.	899	+	782	=	1.681
4.	873	+	314	=	1.187
5.	720	+	671	=	1.391
6.	756	+	528	=	1.284
7.	838	+	489	=	1.327
8.	766	+	571	=	1.337
9.	996	+	611	=	1.607
10.	845	+	284	=	1.129

Oefening 4
1.	805	+	577	=	1.382
2.	868	+	821	=	1.689
3.	966	+	409	=	1.375
4.	449	+	324	=	773
5.	784	+	749	=	1.533
6.	802	+	510	=	1.312
7.	827	+	342	=	1.169
8.	875	+	234	=	1.109
9.	858	+	627	=	1.485
10.	843	+	411	=	1.254