Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	610	+		=	1.104
2.	842	+		=	1.602
3.	659	+		=	1.105
4.	819	+		=	1.163
5.	872	+		=	1.644
6.	860	+		=	1.116
7.	734	+		=	1.094
8.	990	+		=	1.859
9.	856	+		=	1.475
10.	498	+		=	778

Oefening 2
1.	568	+		=	1.123
2.	795	+		=	1.142
3.	394	+		=	671
4.	495	+		=	712
5.	717	+		=	1.201
6.	516	+		=	884
7.	972	+		=	1.418
8.	816	+		=	1.322
9.	418	+		=	775
10.	915	+		=	1.591

Oefening 3
1.	717	+		=	940
2.	800	+		=	1.520
3.	849	+		=	1.589
4.	979	+		=	1.469
5.	920	+		=	1.527
6.	709	+		=	918
7.	884	+		=	1.255
8.	438	+		=	664
9.	712	+		=	1.024
10.	697	+		=	1.394

Oefening 4
1.	564	+		=	927
2.	946	+		=	1.625
3.	908	+		=	1.811
4.	273	+		=	498
5.	767	+		=	1.305
6.	544	+		=	889
7.	510	+		=	800
8.	955	+		=	1.468
9.	829	+		=	1.375
10.	337	+		=	652

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	610	+	494	=	1.104
2.	842	+	760	=	1.602
3.	659	+	446	=	1.105
4.	819	+	344	=	1.163
5.	872	+	772	=	1.644
6.	860	+	256	=	1.116
7.	734	+	360	=	1.094
8.	990	+	869	=	1.859
9.	856	+	619	=	1.475
10.	498	+	280	=	778

Oefening 2
1.	568	+	555	=	1.123
2.	795	+	347	=	1.142
3.	394	+	277	=	671
4.	495	+	217	=	712
5.	717	+	484	=	1.201
6.	516	+	368	=	884
7.	972	+	446	=	1.418
8.	816	+	506	=	1.322
9.	418	+	357	=	775
10.	915	+	676	=	1.591

Oefening 3
1.	717	+	223	=	940
2.	800	+	720	=	1.520
3.	849	+	740	=	1.589
4.	979	+	490	=	1.469
5.	920	+	607	=	1.527
6.	709	+	209	=	918
7.	884	+	371	=	1.255
8.	438	+	226	=	664
9.	712	+	312	=	1.024
10.	697	+	697	=	1.394

Oefening 4
1.	564	+	363	=	927
2.	946	+	679	=	1.625
3.	908	+	903	=	1.811
4.	273	+	225	=	498
5.	767	+	538	=	1.305
6.	544	+	345	=	889
7.	510	+	290	=	800
8.	955	+	513	=	1.468
9.	829	+	546	=	1.375
10.	337	+	315	=	652