Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	415	+		=	752
2.	585	+		=	789
3.	602	+		=	1.039
4.	453	+		=	795
5.	641	+		=	1.085
6.	292	+		=	567
7.	864	+		=	1.409
8.	979	+		=	1.524
9.	996	+		=	1.735
10.	495	+		=	924

Oefening 2
1.	975	+		=	1.904
2.	887	+		=	1.502
3.	415	+		=	730
4.	753	+		=	1.048
5.	639	+		=	895
6.	673	+		=	1.301
7.	681	+		=	986
8.	954	+		=	1.541
9.	540	+		=	1.059
10.	710	+		=	1.333

Oefening 3
1.	723	+		=	1.132
2.	682	+		=	1.327
3.	919	+		=	1.603
4.	882	+		=	1.176
5.	949	+		=	1.865
6.	679	+		=	1.160
7.	897	+		=	1.273
8.	870	+		=	1.507
9.	704	+		=	1.284
10.	798	+		=	1.483

Oefening 4
1.	556	+		=	771
2.	833	+		=	1.507
3.	595	+		=	900
4.	803	+		=	1.369
5.	588	+		=	1.112
6.	939	+		=	1.807
7.	753	+		=	1.150
8.	992	+		=	1.330
9.	675	+		=	1.310
10.	924	+		=	1.570

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	415	+	337	=	752
2.	585	+	204	=	789
3.	602	+	437	=	1.039
4.	453	+	342	=	795
5.	641	+	444	=	1.085
6.	292	+	275	=	567
7.	864	+	545	=	1.409
8.	979	+	545	=	1.524
9.	996	+	739	=	1.735
10.	495	+	429	=	924

Oefening 2
1.	975	+	929	=	1.904
2.	887	+	615	=	1.502
3.	415	+	315	=	730
4.	753	+	295	=	1.048
5.	639	+	256	=	895
6.	673	+	628	=	1.301
7.	681	+	305	=	986
8.	954	+	587	=	1.541
9.	540	+	519	=	1.059
10.	710	+	623	=	1.333

Oefening 3
1.	723	+	409	=	1.132
2.	682	+	645	=	1.327
3.	919	+	684	=	1.603
4.	882	+	294	=	1.176
5.	949	+	916	=	1.865
6.	679	+	481	=	1.160
7.	897	+	376	=	1.273
8.	870	+	637	=	1.507
9.	704	+	580	=	1.284
10.	798	+	685	=	1.483

Oefening 4
1.	556	+	215	=	771
2.	833	+	674	=	1.507
3.	595	+	305	=	900
4.	803	+	566	=	1.369
5.	588	+	524	=	1.112
6.	939	+	868	=	1.807
7.	753	+	397	=	1.150
8.	992	+	338	=	1.330
9.	675	+	635	=	1.310
10.	924	+	646	=	1.570