Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	947	+		=	1.171
2.	980	+		=	1.423
3.	708	+		=	986
4.	759	+		=	1.430
5.	768	+		=	976
6.	923	+		=	1.660
7.	399	+		=	652
8.	876	+		=	1.290
9.	899	+		=	1.519
10.	951	+		=	1.730

Oefening 2
1.	881	+		=	1.310
2.	838	+		=	1.562
3.	924	+		=	1.184
4.	791	+		=	1.139
5.	961	+		=	1.821
6.	666	+		=	1.227
7.	906	+		=	1.325
8.	836	+		=	1.624
9.	861	+		=	1.164
10.	844	+		=	1.464

Oefening 3
1.	994	+		=	1.432
2.	255	+		=	471
3.	617	+		=	1.112
4.	561	+		=	1.078
5.	616	+		=	906
6.	675	+		=	1.206
7.	704	+		=	1.081
8.	552	+		=	817
9.	506	+		=	880
10.	466	+		=	684

Oefening 4
1.	985	+		=	1.741
2.	878	+		=	1.715
3.	684	+		=	1.225
4.	942	+		=	1.478
5.	800	+		=	1.443
6.	856	+		=	1.068
7.	773	+		=	1.428
8.	784	+		=	1.256
9.	813	+		=	1.274
10.	949	+		=	1.640

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	947	+	224	=	1.171
2.	980	+	443	=	1.423
3.	708	+	278	=	986
4.	759	+	671	=	1.430
5.	768	+	208	=	976
6.	923	+	737	=	1.660
7.	399	+	253	=	652
8.	876	+	414	=	1.290
9.	899	+	620	=	1.519
10.	951	+	779	=	1.730

Oefening 2
1.	881	+	429	=	1.310
2.	838	+	724	=	1.562
3.	924	+	260	=	1.184
4.	791	+	348	=	1.139
5.	961	+	860	=	1.821
6.	666	+	561	=	1.227
7.	906	+	419	=	1.325
8.	836	+	788	=	1.624
9.	861	+	303	=	1.164
10.	844	+	620	=	1.464

Oefening 3
1.	994	+	438	=	1.432
2.	255	+	216	=	471
3.	617	+	495	=	1.112
4.	561	+	517	=	1.078
5.	616	+	290	=	906
6.	675	+	531	=	1.206
7.	704	+	377	=	1.081
8.	552	+	265	=	817
9.	506	+	374	=	880
10.	466	+	218	=	684

Oefening 4
1.	985	+	756	=	1.741
2.	878	+	837	=	1.715
3.	684	+	541	=	1.225
4.	942	+	536	=	1.478
5.	800	+	643	=	1.443
6.	856	+	212	=	1.068
7.	773	+	655	=	1.428
8.	784	+	472	=	1.256
9.	813	+	461	=	1.274
10.	949	+	691	=	1.640