Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	610	+		=	1.067
2.	708	+		=	1.372
3.	431	+		=	821
4.	947	+		=	1.614
5.	582	+		=	1.091
6.	487	+		=	700
7.	972	+		=	1.796
8.	960	+		=	1.765
9.	773	+		=	1.213
10.	658	+		=	933

Oefening 2
1.	951	+		=	1.352
2.	916	+		=	1.549
3.	476	+		=	812
4.	432	+		=	687
5.	813	+		=	1.501
6.	539	+		=	888
7.	534	+		=	867
8.	672	+		=	1.217
9.	377	+		=	666
10.	423	+		=	686

Oefening 3
1.	769	+		=	1.117
2.	540	+		=	763
3.	986	+		=	1.215
4.	885	+		=	1.549
5.	308	+		=	592
6.	1.000	+		=	1.857
7.	932	+		=	1.723
8.	516	+		=	852
9.	864	+		=	1.586
10.	563	+		=	821

Oefening 4
1.	563	+		=	812
2.	725	+		=	1.349
3.	641	+		=	1.090
4.	553	+		=	995
5.	759	+		=	1.102
6.	985	+		=	1.200
7.	855	+		=	1.131
8.	792	+		=	1.447
9.	459	+		=	887
10.	993	+		=	1.241

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	610	+	457	=	1.067
2.	708	+	664	=	1.372
3.	431	+	390	=	821
4.	947	+	667	=	1.614
5.	582	+	509	=	1.091
6.	487	+	213	=	700
7.	972	+	824	=	1.796
8.	960	+	805	=	1.765
9.	773	+	440	=	1.213
10.	658	+	275	=	933

Oefening 2
1.	951	+	401	=	1.352
2.	916	+	633	=	1.549
3.	476	+	336	=	812
4.	432	+	255	=	687
5.	813	+	688	=	1.501
6.	539	+	349	=	888
7.	534	+	333	=	867
8.	672	+	545	=	1.217
9.	377	+	289	=	666
10.	423	+	263	=	686

Oefening 3
1.	769	+	348	=	1.117
2.	540	+	223	=	763
3.	986	+	229	=	1.215
4.	885	+	664	=	1.549
5.	308	+	284	=	592
6.	1.000	+	857	=	1.857
7.	932	+	791	=	1.723
8.	516	+	336	=	852
9.	864	+	722	=	1.586
10.	563	+	258	=	821

Oefening 4
1.	563	+	249	=	812
2.	725	+	624	=	1.349
3.	641	+	449	=	1.090
4.	553	+	442	=	995
5.	759	+	343	=	1.102
6.	985	+	215	=	1.200
7.	855	+	276	=	1.131
8.	792	+	655	=	1.447
9.	459	+	428	=	887
10.	993	+	248	=	1.241