Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	870	+		=	1.621
2.	797	+		=	1.530
3.	657	+		=	1.098
4.	855	+		=	1.470
5.	411	+		=	750
6.	684	+		=	1.159
7.	646	+		=	983
8.	915	+		=	1.254
9.	976	+		=	1.859
10.	879	+		=	1.195

Oefening 2
1.	722	+		=	1.382
2.	824	+		=	1.610
3.	599	+		=	936
4.	769	+		=	1.012
5.	734	+		=	1.467
6.	966	+		=	1.401
7.	917	+		=	1.758
8.	896	+		=	1.271
9.	487	+		=	723
10.	959	+		=	1.269

Oefening 3
1.	702	+		=	1.040
2.	917	+		=	1.196
3.	920	+		=	1.260
4.	772	+		=	1.461
5.	902	+		=	1.614
6.	615	+		=	1.111
7.	418	+		=	711
8.	967	+		=	1.560
9.	899	+		=	1.690
10.	507	+		=	831

Oefening 4
1.	705	+		=	1.027
2.	429	+		=	654
3.	689	+		=	1.154
4.	545	+		=	982
5.	947	+		=	1.504
6.	813	+		=	1.097
7.	920	+		=	1.432
8.	665	+		=	1.030
9.	403	+		=	640
10.	703	+		=	1.382

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	870	+	751	=	1.621
2.	797	+	733	=	1.530
3.	657	+	441	=	1.098
4.	855	+	615	=	1.470
5.	411	+	339	=	750
6.	684	+	475	=	1.159
7.	646	+	337	=	983
8.	915	+	339	=	1.254
9.	976	+	883	=	1.859
10.	879	+	316	=	1.195

Oefening 2
1.	722	+	660	=	1.382
2.	824	+	786	=	1.610
3.	599	+	337	=	936
4.	769	+	243	=	1.012
5.	734	+	733	=	1.467
6.	966	+	435	=	1.401
7.	917	+	841	=	1.758
8.	896	+	375	=	1.271
9.	487	+	236	=	723
10.	959	+	310	=	1.269

Oefening 3
1.	702	+	338	=	1.040
2.	917	+	279	=	1.196
3.	920	+	340	=	1.260
4.	772	+	689	=	1.461
5.	902	+	712	=	1.614
6.	615	+	496	=	1.111
7.	418	+	293	=	711
8.	967	+	593	=	1.560
9.	899	+	791	=	1.690
10.	507	+	324	=	831

Oefening 4
1.	705	+	322	=	1.027
2.	429	+	225	=	654
3.	689	+	465	=	1.154
4.	545	+	437	=	982
5.	947	+	557	=	1.504
6.	813	+	284	=	1.097
7.	920	+	512	=	1.432
8.	665	+	365	=	1.030
9.	403	+	237	=	640
10.	703	+	679	=	1.382