Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	425	+		=	645
2.	866	+		=	1.119
3.	974	+		=	1.830
4.	857	+		=	1.373
5.	966	+		=	1.913
6.	896	+		=	1.605
7.	769	+		=	1.216
8.	943	+		=	1.839
9.	425	+		=	702
10.	387	+		=	637

Oefening 2
1.	998	+		=	1.230
2.	772	+		=	1.104
3.	767	+		=	984
4.	634	+		=	1.159
5.	635	+		=	1.012
6.	245	+		=	446
7.	591	+		=	984
8.	834	+		=	1.198
9.	607	+		=	1.135
10.	370	+		=	602

Oefening 3
1.	888	+		=	1.764
2.	764	+		=	1.465
3.	648	+		=	1.021
4.	944	+		=	1.410
5.	869	+		=	1.099
6.	596	+		=	927
7.	339	+		=	552
8.	908	+		=	1.268
9.	371	+		=	594
10.	890	+		=	1.392

Oefening 4
1.	870	+		=	1.468
2.	918	+		=	1.537
3.	755	+		=	1.234
4.	891	+		=	1.387
5.	480	+		=	806
6.	814	+		=	1.540
7.	1.000	+		=	1.758
8.	875	+		=	1.168
9.	424	+		=	804
10.	941	+		=	1.287

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	425	+	220	=	645
2.	866	+	253	=	1.119
3.	974	+	856	=	1.830
4.	857	+	516	=	1.373
5.	966	+	947	=	1.913
6.	896	+	709	=	1.605
7.	769	+	447	=	1.216
8.	943	+	896	=	1.839
9.	425	+	277	=	702
10.	387	+	250	=	637

Oefening 2
1.	998	+	232	=	1.230
2.	772	+	332	=	1.104
3.	767	+	217	=	984
4.	634	+	525	=	1.159
5.	635	+	377	=	1.012
6.	245	+	201	=	446
7.	591	+	393	=	984
8.	834	+	364	=	1.198
9.	607	+	528	=	1.135
10.	370	+	232	=	602

Oefening 3
1.	888	+	876	=	1.764
2.	764	+	701	=	1.465
3.	648	+	373	=	1.021
4.	944	+	466	=	1.410
5.	869	+	230	=	1.099
6.	596	+	331	=	927
7.	339	+	213	=	552
8.	908	+	360	=	1.268
9.	371	+	223	=	594
10.	890	+	502	=	1.392

Oefening 4
1.	870	+	598	=	1.468
2.	918	+	619	=	1.537
3.	755	+	479	=	1.234
4.	891	+	496	=	1.387
5.	480	+	326	=	806
6.	814	+	726	=	1.540
7.	1.000	+	758	=	1.758
8.	875	+	293	=	1.168
9.	424	+	380	=	804
10.	941	+	346	=	1.287