Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	451	+		=	803
2.	490	+		=	836
3.	391	+		=	746
4.	678	+		=	1.120
5.	611	+		=	1.030
6.	571	+		=	1.091
7.	875	+		=	1.460
8.	850	+		=	1.610
9.	762	+		=	1.349
10.	918	+		=	1.426

Oefening 2
1.	716	+		=	1.190
2.	938	+		=	1.505
3.	864	+		=	1.097
4.	956	+		=	1.823
5.	718	+		=	1.223
6.	773	+		=	1.393
7.	475	+		=	859
8.	710	+		=	1.144
9.	760	+		=	1.021
10.	900	+		=	1.757

Oefening 3
1.	983	+		=	1.524
2.	871	+		=	1.362
3.	649	+		=	1.194
4.	744	+		=	1.325
5.	361	+		=	667
6.	491	+		=	876
7.	703	+		=	1.324
8.	987	+		=	1.674
9.	897	+		=	1.741
10.	970	+		=	1.216

Oefening 4
1.	726	+		=	1.063
2.	552	+		=	808
3.	983	+		=	1.854
4.	771	+		=	972
5.	718	+		=	1.148
6.	569	+		=	1.009
7.	617	+		=	1.200
8.	914	+		=	1.672
9.	603	+		=	808
10.	580	+		=	1.084

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	451	+	352	=	803
2.	490	+	346	=	836
3.	391	+	355	=	746
4.	678	+	442	=	1.120
5.	611	+	419	=	1.030
6.	571	+	520	=	1.091
7.	875	+	585	=	1.460
8.	850	+	760	=	1.610
9.	762	+	587	=	1.349
10.	918	+	508	=	1.426

Oefening 2
1.	716	+	474	=	1.190
2.	938	+	567	=	1.505
3.	864	+	233	=	1.097
4.	956	+	867	=	1.823
5.	718	+	505	=	1.223
6.	773	+	620	=	1.393
7.	475	+	384	=	859
8.	710	+	434	=	1.144
9.	760	+	261	=	1.021
10.	900	+	857	=	1.757

Oefening 3
1.	983	+	541	=	1.524
2.	871	+	491	=	1.362
3.	649	+	545	=	1.194
4.	744	+	581	=	1.325
5.	361	+	306	=	667
6.	491	+	385	=	876
7.	703	+	621	=	1.324
8.	987	+	687	=	1.674
9.	897	+	844	=	1.741
10.	970	+	246	=	1.216

Oefening 4
1.	726	+	337	=	1.063
2.	552	+	256	=	808
3.	983	+	871	=	1.854
4.	771	+	201	=	972
5.	718	+	430	=	1.148
6.	569	+	440	=	1.009
7.	617	+	583	=	1.200
8.	914	+	758	=	1.672
9.	603	+	205	=	808
10.	580	+	504	=	1.084