Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	607	+		=	1.121
2.	939	+		=	1.650
3.	973	+		=	1.695
4.	440	+		=	691
5.	596	+		=	1.128
6.	778	+		=	1.284
7.	471	+		=	754
8.	812	+		=	1.283
9.	598	+		=	1.156
10.	898	+		=	1.183

Oefening 2
1.	729	+		=	985
2.	531	+		=	1.019
3.	606	+		=	894
4.	785	+		=	1.374
5.	729	+		=	1.007
6.	814	+		=	1.323
7.	807	+		=	1.061
8.	922	+		=	1.122
9.	326	+		=	569
10.	887	+		=	1.149

Oefening 3
1.	853	+		=	1.209
2.	933	+		=	1.465
3.	881	+		=	1.296
4.	898	+		=	1.570
5.	258	+		=	492
6.	998	+		=	1.870
7.	885	+		=	1.228
8.	524	+		=	870
9.	467	+		=	792
10.	585	+		=	934

Oefening 4
1.	922	+		=	1.430
2.	804	+		=	1.292
3.	691	+		=	1.229
4.	455	+		=	688
5.	944	+		=	1.388
6.	560	+		=	1.100
7.	308	+		=	512
8.	792	+		=	1.094
9.	943	+		=	1.241
10.	791	+		=	1.232

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	607	+	514	=	1.121
2.	939	+	711	=	1.650
3.	973	+	722	=	1.695
4.	440	+	251	=	691
5.	596	+	532	=	1.128
6.	778	+	506	=	1.284
7.	471	+	283	=	754
8.	812	+	471	=	1.283
9.	598	+	558	=	1.156
10.	898	+	285	=	1.183

Oefening 2
1.	729	+	256	=	985
2.	531	+	488	=	1.019
3.	606	+	288	=	894
4.	785	+	589	=	1.374
5.	729	+	278	=	1.007
6.	814	+	509	=	1.323
7.	807	+	254	=	1.061
8.	922	+	200	=	1.122
9.	326	+	243	=	569
10.	887	+	262	=	1.149

Oefening 3
1.	853	+	356	=	1.209
2.	933	+	532	=	1.465
3.	881	+	415	=	1.296
4.	898	+	672	=	1.570
5.	258	+	234	=	492
6.	998	+	872	=	1.870
7.	885	+	343	=	1.228
8.	524	+	346	=	870
9.	467	+	325	=	792
10.	585	+	349	=	934

Oefening 4
1.	922	+	508	=	1.430
2.	804	+	488	=	1.292
3.	691	+	538	=	1.229
4.	455	+	233	=	688
5.	944	+	444	=	1.388
6.	560	+	540	=	1.100
7.	308	+	204	=	512
8.	792	+	302	=	1.094
9.	943	+	298	=	1.241
10.	791	+	441	=	1.232