Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	617	+		=	1.205
2.	737	+		=	1.326
3.	486	+		=	888
4.	957	+		=	1.752
5.	706	+		=	1.015
6.	854	+		=	1.478
7.	751	+		=	1.046
8.	490	+		=	910
9.	474	+		=	735
10.	250	+		=	453

Oefening 2
1.	588	+		=	888
2.	846	+		=	1.145
3.	650	+		=	948
4.	833	+		=	1.058
5.	839	+		=	1.101
6.	927	+		=	1.492
7.	840	+		=	1.633
8.	885	+		=	1.458
9.	516	+		=	731
10.	979	+		=	1.552

Oefening 3
1.	519	+		=	805
2.	922	+		=	1.598
3.	836	+		=	1.293
4.	945	+		=	1.770
5.	982	+		=	1.500
6.	650	+		=	1.092
7.	777	+		=	1.030
8.	960	+		=	1.863
9.	878	+		=	1.146
10.	477	+		=	871

Oefening 4
1.	934	+		=	1.572
2.	482	+		=	727
3.	876	+		=	1.116
4.	834	+		=	1.203
5.	625	+		=	944
6.	829	+		=	1.499
7.	776	+		=	1.071
8.	820	+		=	1.598
9.	842	+		=	1.323
10.	572	+		=	885

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	617	+	588	=	1.205
2.	737	+	589	=	1.326
3.	486	+	402	=	888
4.	957	+	795	=	1.752
5.	706	+	309	=	1.015
6.	854	+	624	=	1.478
7.	751	+	295	=	1.046
8.	490	+	420	=	910
9.	474	+	261	=	735
10.	250	+	203	=	453

Oefening 2
1.	588	+	300	=	888
2.	846	+	299	=	1.145
3.	650	+	298	=	948
4.	833	+	225	=	1.058
5.	839	+	262	=	1.101
6.	927	+	565	=	1.492
7.	840	+	793	=	1.633
8.	885	+	573	=	1.458
9.	516	+	215	=	731
10.	979	+	573	=	1.552

Oefening 3
1.	519	+	286	=	805
2.	922	+	676	=	1.598
3.	836	+	457	=	1.293
4.	945	+	825	=	1.770
5.	982	+	518	=	1.500
6.	650	+	442	=	1.092
7.	777	+	253	=	1.030
8.	960	+	903	=	1.863
9.	878	+	268	=	1.146
10.	477	+	394	=	871

Oefening 4
1.	934	+	638	=	1.572
2.	482	+	245	=	727
3.	876	+	240	=	1.116
4.	834	+	369	=	1.203
5.	625	+	319	=	944
6.	829	+	670	=	1.499
7.	776	+	295	=	1.071
8.	820	+	778	=	1.598
9.	842	+	481	=	1.323
10.	572	+	313	=	885