Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	583	+		=	994
2.	968	+		=	1.364
3.	984	+		=	1.676
4.	701	+		=	964
5.	659	+		=	1.132
6.	707	+		=	912
7.	946	+		=	1.227
8.	759	+		=	1.050
9.	746	+		=	1.108
10.	982	+		=	1.735

Oefening 2
1.	342	+		=	673
2.	729	+		=	1.090
3.	647	+		=	999
4.	790	+		=	1.564
5.	909	+		=	1.632
6.	681	+		=	1.270
7.	750	+		=	1.009
8.	913	+		=	1.577
9.	625	+		=	1.130
10.	967	+		=	1.929

Oefening 3
1.	642	+		=	903
2.	744	+		=	1.312
3.	778	+		=	1.436
4.	845	+		=	1.104
5.	567	+		=	1.027
6.	965	+		=	1.829
7.	932	+		=	1.592
8.	950	+		=	1.629
9.	973	+		=	1.264
10.	636	+		=	1.127

Oefening 4
1.	768	+		=	984
2.	751	+		=	1.397
3.	509	+		=	827
4.	329	+		=	589
5.	765	+		=	1.437
6.	551	+		=	943
7.	568	+		=	848
8.	549	+		=	1.093
9.	970	+		=	1.193
10.	945	+		=	1.426

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	583	+	411	=	994
2.	968	+	396	=	1.364
3.	984	+	692	=	1.676
4.	701	+	263	=	964
5.	659	+	473	=	1.132
6.	707	+	205	=	912
7.	946	+	281	=	1.227
8.	759	+	291	=	1.050
9.	746	+	362	=	1.108
10.	982	+	753	=	1.735

Oefening 2
1.	342	+	331	=	673
2.	729	+	361	=	1.090
3.	647	+	352	=	999
4.	790	+	774	=	1.564
5.	909	+	723	=	1.632
6.	681	+	589	=	1.270
7.	750	+	259	=	1.009
8.	913	+	664	=	1.577
9.	625	+	505	=	1.130
10.	967	+	962	=	1.929

Oefening 3
1.	642	+	261	=	903
2.	744	+	568	=	1.312
3.	778	+	658	=	1.436
4.	845	+	259	=	1.104
5.	567	+	460	=	1.027
6.	965	+	864	=	1.829
7.	932	+	660	=	1.592
8.	950	+	679	=	1.629
9.	973	+	291	=	1.264
10.	636	+	491	=	1.127

Oefening 4
1.	768	+	216	=	984
2.	751	+	646	=	1.397
3.	509	+	318	=	827
4.	329	+	260	=	589
5.	765	+	672	=	1.437
6.	551	+	392	=	943
7.	568	+	280	=	848
8.	549	+	544	=	1.093
9.	970	+	223	=	1.193
10.	945	+	481	=	1.426