Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	999	+		=	1.224
2.	707	+		=	1.076
3.	382	+		=	698
4.	777	+		=	1.490
5.	925	+		=	1.764
6.	945	+		=	1.579
7.	471	+		=	775
8.	739	+		=	1.277
9.	883	+		=	1.256
10.	780	+		=	1.052

Oefening 2
1.	912	+		=	1.710
2.	526	+		=	731
3.	965	+		=	1.712
4.	782	+		=	1.172
5.	551	+		=	1.060
6.	971	+		=	1.668
7.	881	+		=	1.298
8.	833	+		=	1.599
9.	523	+		=	952
10.	854	+		=	1.114

Oefening 3
1.	372	+		=	693
2.	689	+		=	1.092
3.	859	+		=	1.295
4.	893	+		=	1.505
5.	329	+		=	557
6.	776	+		=	1.371
7.	688	+		=	1.043
8.	671	+		=	899
9.	544	+		=	1.029
10.	994	+		=	1.237

Oefening 4
1.	836	+		=	1.151
2.	929	+		=	1.698
3.	626	+		=	1.204
4.	962	+		=	1.265
5.	609	+		=	830
6.	801	+		=	1.181
7.	848	+		=	1.517
8.	972	+		=	1.871
9.	913	+		=	1.251
10.	824	+		=	1.613

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	999	+	225	=	1.224
2.	707	+	369	=	1.076
3.	382	+	316	=	698
4.	777	+	713	=	1.490
5.	925	+	839	=	1.764
6.	945	+	634	=	1.579
7.	471	+	304	=	775
8.	739	+	538	=	1.277
9.	883	+	373	=	1.256
10.	780	+	272	=	1.052

Oefening 2
1.	912	+	798	=	1.710
2.	526	+	205	=	731
3.	965	+	747	=	1.712
4.	782	+	390	=	1.172
5.	551	+	509	=	1.060
6.	971	+	697	=	1.668
7.	881	+	417	=	1.298
8.	833	+	766	=	1.599
9.	523	+	429	=	952
10.	854	+	260	=	1.114

Oefening 3
1.	372	+	321	=	693
2.	689	+	403	=	1.092
3.	859	+	436	=	1.295
4.	893	+	612	=	1.505
5.	329	+	228	=	557
6.	776	+	595	=	1.371
7.	688	+	355	=	1.043
8.	671	+	228	=	899
9.	544	+	485	=	1.029
10.	994	+	243	=	1.237

Oefening 4
1.	836	+	315	=	1.151
2.	929	+	769	=	1.698
3.	626	+	578	=	1.204
4.	962	+	303	=	1.265
5.	609	+	221	=	830
6.	801	+	380	=	1.181
7.	848	+	669	=	1.517
8.	972	+	899	=	1.871
9.	913	+	338	=	1.251
10.	824	+	789	=	1.613