Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	460	+		=	859
2.	676	+		=	896
3.	817	+		=	1.502
4.	967	+		=	1.448
5.	803	+		=	1.441
6.	631	+		=	857
7.	275	+		=	533
8.	799	+		=	1.475
9.	897	+		=	1.282
10.	595	+		=	1.007

Oefening 2
1.	651	+		=	910
2.	503	+		=	946
3.	855	+		=	1.514
4.	767	+		=	1.333
5.	729	+		=	1.405
6.	668	+		=	1.204
7.	960	+		=	1.533
8.	916	+		=	1.662
9.	778	+		=	1.018
10.	589	+		=	916

Oefening 3
1.	867	+		=	1.199
2.	873	+		=	1.680
3.	951	+		=	1.476
4.	446	+		=	826
5.	899	+		=	1.571
6.	941	+		=	1.415
7.	890	+		=	1.745
8.	899	+		=	1.590
9.	455	+		=	790
10.	572	+		=	1.130

Oefening 4
1.	531	+		=	927
2.	752	+		=	1.281
3.	926	+		=	1.347
4.	985	+		=	1.541
5.	775	+		=	1.004
6.	363	+		=	701
7.	845	+		=	1.203
8.	653	+		=	1.079
9.	935	+		=	1.334
10.	952	+		=	1.811

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	460	+	399	=	859
2.	676	+	220	=	896
3.	817	+	685	=	1.502
4.	967	+	481	=	1.448
5.	803	+	638	=	1.441
6.	631	+	226	=	857
7.	275	+	258	=	533
8.	799	+	676	=	1.475
9.	897	+	385	=	1.282
10.	595	+	412	=	1.007

Oefening 2
1.	651	+	259	=	910
2.	503	+	443	=	946
3.	855	+	659	=	1.514
4.	767	+	566	=	1.333
5.	729	+	676	=	1.405
6.	668	+	536	=	1.204
7.	960	+	573	=	1.533
8.	916	+	746	=	1.662
9.	778	+	240	=	1.018
10.	589	+	327	=	916

Oefening 3
1.	867	+	332	=	1.199
2.	873	+	807	=	1.680
3.	951	+	525	=	1.476
4.	446	+	380	=	826
5.	899	+	672	=	1.571
6.	941	+	474	=	1.415
7.	890	+	855	=	1.745
8.	899	+	691	=	1.590
9.	455	+	335	=	790
10.	572	+	558	=	1.130

Oefening 4
1.	531	+	396	=	927
2.	752	+	529	=	1.281
3.	926	+	421	=	1.347
4.	985	+	556	=	1.541
5.	775	+	229	=	1.004
6.	363	+	338	=	701
7.	845	+	358	=	1.203
8.	653	+	426	=	1.079
9.	935	+	399	=	1.334
10.	952	+	859	=	1.811