Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	272	+		=	532
2.	277	+		=	506
3.	870	+		=	1.518
4.	435	+		=	805
5.	966	+		=	1.348
6.	856	+		=	1.462
7.	894	+		=	1.127
8.	709	+		=	1.032
9.	715	+		=	1.013
10.	868	+		=	1.671

Oefening 2
1.	445	+		=	833
2.	641	+		=	1.269
3.	812	+		=	1.169
4.	973	+		=	1.427
5.	808	+		=	1.364
6.	747	+		=	996
7.	525	+		=	1.030
8.	821	+		=	1.038
9.	514	+		=	997
10.	820	+		=	1.304

Oefening 3
1.	580	+		=	813
2.	766	+		=	1.047
3.	433	+		=	691
4.	948	+		=	1.689
5.	938	+		=	1.185
6.	518	+		=	760
7.	642	+		=	1.021
8.	684	+		=	1.132
9.	967	+		=	1.453
10.	991	+		=	1.667

Oefening 4
1.	629	+		=	1.185
2.	893	+		=	1.703
3.	917	+		=	1.177
4.	455	+		=	814
5.	841	+		=	1.119
6.	867	+		=	1.318
7.	988	+		=	1.699
8.	612	+		=	835
9.	539	+		=	931
10.	594	+		=	974

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	272	+	260	=	532
2.	277	+	229	=	506
3.	870	+	648	=	1.518
4.	435	+	370	=	805
5.	966	+	382	=	1.348
6.	856	+	606	=	1.462
7.	894	+	233	=	1.127
8.	709	+	323	=	1.032
9.	715	+	298	=	1.013
10.	868	+	803	=	1.671

Oefening 2
1.	445	+	388	=	833
2.	641	+	628	=	1.269
3.	812	+	357	=	1.169
4.	973	+	454	=	1.427
5.	808	+	556	=	1.364
6.	747	+	249	=	996
7.	525	+	505	=	1.030
8.	821	+	217	=	1.038
9.	514	+	483	=	997
10.	820	+	484	=	1.304

Oefening 3
1.	580	+	233	=	813
2.	766	+	281	=	1.047
3.	433	+	258	=	691
4.	948	+	741	=	1.689
5.	938	+	247	=	1.185
6.	518	+	242	=	760
7.	642	+	379	=	1.021
8.	684	+	448	=	1.132
9.	967	+	486	=	1.453
10.	991	+	676	=	1.667

Oefening 4
1.	629	+	556	=	1.185
2.	893	+	810	=	1.703
3.	917	+	260	=	1.177
4.	455	+	359	=	814
5.	841	+	278	=	1.119
6.	867	+	451	=	1.318
7.	988	+	711	=	1.699
8.	612	+	223	=	835
9.	539	+	392	=	931
10.	594	+	380	=	974