Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	426	+		=	799
2.	897	+		=	1.414
3.	902	+		=	1.779
4.	570	+		=	1.120
5.	998	+		=	1.262
6.	997	+		=	1.546
7.	958	+		=	1.642
8.	603	+		=	904
9.	603	+		=	956
10.	804	+		=	1.604

Oefening 2
1.	644	+		=	971
2.	982	+		=	1.224
3.	765	+		=	1.425
4.	309	+		=	594
5.	507	+		=	789
6.	718	+		=	1.381
7.	803	+		=	1.380
8.	690	+		=	1.114
9.	766	+		=	1.184
10.	543	+		=	867

Oefening 3
1.	586	+		=	949
2.	393	+		=	674
3.	772	+		=	1.180
4.	869	+		=	1.303
5.	750	+		=	1.307
6.	983	+		=	1.590
7.	969	+		=	1.890
8.	899	+		=	1.692
9.	871	+		=	1.672
10.	995	+		=	1.620

Oefening 4
1.	843	+		=	1.126
2.	998	+		=	1.313
3.	395	+		=	622
4.	670	+		=	1.283
5.	705	+		=	1.057
6.	686	+		=	1.017
7.	776	+		=	1.543
8.	596	+		=	1.173
9.	844	+		=	1.612
10.	704	+		=	974

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	426	+	373	=	799
2.	897	+	517	=	1.414
3.	902	+	877	=	1.779
4.	570	+	550	=	1.120
5.	998	+	264	=	1.262
6.	997	+	549	=	1.546
7.	958	+	684	=	1.642
8.	603	+	301	=	904
9.	603	+	353	=	956
10.	804	+	800	=	1.604

Oefening 2
1.	644	+	327	=	971
2.	982	+	242	=	1.224
3.	765	+	660	=	1.425
4.	309	+	285	=	594
5.	507	+	282	=	789
6.	718	+	663	=	1.381
7.	803	+	577	=	1.380
8.	690	+	424	=	1.114
9.	766	+	418	=	1.184
10.	543	+	324	=	867

Oefening 3
1.	586	+	363	=	949
2.	393	+	281	=	674
3.	772	+	408	=	1.180
4.	869	+	434	=	1.303
5.	750	+	557	=	1.307
6.	983	+	607	=	1.590
7.	969	+	921	=	1.890
8.	899	+	793	=	1.692
9.	871	+	801	=	1.672
10.	995	+	625	=	1.620

Oefening 4
1.	843	+	283	=	1.126
2.	998	+	315	=	1.313
3.	395	+	227	=	622
4.	670	+	613	=	1.283
5.	705	+	352	=	1.057
6.	686	+	331	=	1.017
7.	776	+	767	=	1.543
8.	596	+	577	=	1.173
9.	844	+	768	=	1.612
10.	704	+	270	=	974