Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	509	+		=	988
2.	940	+		=	1.250
3.	756	+		=	1.425
4.	926	+		=	1.155
5.	608	+		=	1.085
6.	835	+		=	1.605
7.	882	+		=	1.115
8.	949	+		=	1.592
9.	924	+		=	1.766
10.	842	+		=	1.612

Oefening 2
1.	835	+		=	1.583
2.	576	+		=	1.040
3.	698	+		=	1.142
4.	919	+		=	1.555
5.	279	+		=	517
6.	884	+		=	1.518
7.	945	+		=	1.830
8.	719	+		=	1.194
9.	700	+		=	1.203
10.	410	+		=	812

Oefening 3
1.	727	+		=	1.420
2.	865	+		=	1.277
3.	990	+		=	1.746
4.	674	+		=	1.004
5.	848	+		=	1.490
6.	532	+		=	963
7.	671	+		=	1.082
8.	658	+		=	924
9.	858	+		=	1.461
10.	648	+		=	1.280

Oefening 4
1.	425	+		=	667
2.	425	+		=	750
3.	882	+		=	1.177
4.	585	+		=	930
5.	672	+		=	1.183
6.	722	+		=	929
7.	871	+		=	1.553
8.	827	+		=	1.182
9.	522	+		=	1.015
10.	536	+		=	949

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	509	+	479	=	988
2.	940	+	310	=	1.250
3.	756	+	669	=	1.425
4.	926	+	229	=	1.155
5.	608	+	477	=	1.085
6.	835	+	770	=	1.605
7.	882	+	233	=	1.115
8.	949	+	643	=	1.592
9.	924	+	842	=	1.766
10.	842	+	770	=	1.612

Oefening 2
1.	835	+	748	=	1.583
2.	576	+	464	=	1.040
3.	698	+	444	=	1.142
4.	919	+	636	=	1.555
5.	279	+	238	=	517
6.	884	+	634	=	1.518
7.	945	+	885	=	1.830
8.	719	+	475	=	1.194
9.	700	+	503	=	1.203
10.	410	+	402	=	812

Oefening 3
1.	727	+	693	=	1.420
2.	865	+	412	=	1.277
3.	990	+	756	=	1.746
4.	674	+	330	=	1.004
5.	848	+	642	=	1.490
6.	532	+	431	=	963
7.	671	+	411	=	1.082
8.	658	+	266	=	924
9.	858	+	603	=	1.461
10.	648	+	632	=	1.280

Oefening 4
1.	425	+	242	=	667
2.	425	+	325	=	750
3.	882	+	295	=	1.177
4.	585	+	345	=	930
5.	672	+	511	=	1.183
6.	722	+	207	=	929
7.	871	+	682	=	1.553
8.	827	+	355	=	1.182
9.	522	+	493	=	1.015
10.	536	+	413	=	949