Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	540	+		=	912
2.	774	+		=	1.060
3.	958	+		=	1.880
4.	943	+		=	1.702
5.	514	+		=	837
6.	982	+		=	1.470
7.	390	+		=	590
8.	399	+		=	728
9.	796	+		=	1.535
10.	865	+		=	1.471

Oefening 2
1.	742	+		=	1.205
2.	464	+		=	810
3.	644	+		=	1.281
4.	977	+		=	1.448
5.	547	+		=	938
6.	688	+		=	1.060
7.	937	+		=	1.146
8.	526	+		=	896
9.	858	+		=	1.073
10.	770	+		=	1.319

Oefening 3
1.	305	+		=	538
2.	639	+		=	1.228
3.	845	+		=	1.238
4.	442	+		=	643
5.	973	+		=	1.747
6.	769	+		=	1.041
7.	878	+		=	1.349
8.	806	+		=	1.113
9.	981	+		=	1.910
10.	882	+		=	1.141

Oefening 4
1.	932	+		=	1.275
2.	905	+		=	1.317
3.	818	+		=	1.186
4.	989	+		=	1.319
5.	652	+		=	894
6.	739	+		=	1.349
7.	865	+		=	1.477
8.	803	+		=	1.380
9.	717	+		=	1.392
10.	616	+		=	1.131

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	540	+	372	=	912
2.	774	+	286	=	1.060
3.	958	+	922	=	1.880
4.	943	+	759	=	1.702
5.	514	+	323	=	837
6.	982	+	488	=	1.470
7.	390	+	200	=	590
8.	399	+	329	=	728
9.	796	+	739	=	1.535
10.	865	+	606	=	1.471

Oefening 2
1.	742	+	463	=	1.205
2.	464	+	346	=	810
3.	644	+	637	=	1.281
4.	977	+	471	=	1.448
5.	547	+	391	=	938
6.	688	+	372	=	1.060
7.	937	+	209	=	1.146
8.	526	+	370	=	896
9.	858	+	215	=	1.073
10.	770	+	549	=	1.319

Oefening 3
1.	305	+	233	=	538
2.	639	+	589	=	1.228
3.	845	+	393	=	1.238
4.	442	+	201	=	643
5.	973	+	774	=	1.747
6.	769	+	272	=	1.041
7.	878	+	471	=	1.349
8.	806	+	307	=	1.113
9.	981	+	929	=	1.910
10.	882	+	259	=	1.141

Oefening 4
1.	932	+	343	=	1.275
2.	905	+	412	=	1.317
3.	818	+	368	=	1.186
4.	989	+	330	=	1.319
5.	652	+	242	=	894
6.	739	+	610	=	1.349
7.	865	+	612	=	1.477
8.	803	+	577	=	1.380
9.	717	+	675	=	1.392
10.	616	+	515	=	1.131