Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	742	+		=	1.292
2.	889	+		=	1.419
3.	474	+		=	768
4.	865	+		=	1.217
5.	748	+		=	1.103
6.	669	+		=	1.128
7.	873	+		=	1.513
8.	747	+		=	1.398
9.	660	+		=	1.024
10.	568	+		=	939

Oefening 2
1.	863	+		=	1.600
2.	812	+		=	1.374
3.	943	+		=	1.183
4.	674	+		=	1.177
5.	936	+		=	1.611
6.	824	+		=	1.440
7.	556	+		=	758
8.	622	+		=	1.129
9.	577	+		=	1.039
10.	685	+		=	1.034

Oefening 3
1.	648	+		=	990
2.	901	+		=	1.393
3.	876	+		=	1.242
4.	899	+		=	1.480
5.	640	+		=	887
6.	971	+		=	1.268
7.	613	+		=	1.095
8.	291	+		=	582
9.	436	+		=	686
10.	699	+		=	1.368

Oefening 4
1.	957	+		=	1.206
2.	780	+		=	1.481
3.	923	+		=	1.551
4.	975	+		=	1.308
5.	924	+		=	1.518
6.	873	+		=	1.739
7.	938	+		=	1.764
8.	801	+		=	1.354
9.	636	+		=	898
10.	531	+		=	960

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	742	+	550	=	1.292
2.	889	+	530	=	1.419
3.	474	+	294	=	768
4.	865	+	352	=	1.217
5.	748	+	355	=	1.103
6.	669	+	459	=	1.128
7.	873	+	640	=	1.513
8.	747	+	651	=	1.398
9.	660	+	364	=	1.024
10.	568	+	371	=	939

Oefening 2
1.	863	+	737	=	1.600
2.	812	+	562	=	1.374
3.	943	+	240	=	1.183
4.	674	+	503	=	1.177
5.	936	+	675	=	1.611
6.	824	+	616	=	1.440
7.	556	+	202	=	758
8.	622	+	507	=	1.129
9.	577	+	462	=	1.039
10.	685	+	349	=	1.034

Oefening 3
1.	648	+	342	=	990
2.	901	+	492	=	1.393
3.	876	+	366	=	1.242
4.	899	+	581	=	1.480
5.	640	+	247	=	887
6.	971	+	297	=	1.268
7.	613	+	482	=	1.095
8.	291	+	291	=	582
9.	436	+	250	=	686
10.	699	+	669	=	1.368

Oefening 4
1.	957	+	249	=	1.206
2.	780	+	701	=	1.481
3.	923	+	628	=	1.551
4.	975	+	333	=	1.308
5.	924	+	594	=	1.518
6.	873	+	866	=	1.739
7.	938	+	826	=	1.764
8.	801	+	553	=	1.354
9.	636	+	262	=	898
10.	531	+	429	=	960