Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	444	+		=	711
2.	593	+		=	1.068
3.	809	+		=	1.114
4.	814	+		=	1.475
5.	481	+		=	684
6.	817	+		=	1.038
7.	385	+		=	649
8.	990	+		=	1.462
9.	848	+		=	1.589
10.	891	+		=	1.323

Oefening 2
1.	908	+		=	1.536
2.	703	+		=	1.366
3.	912	+		=	1.820
4.	951	+		=	1.255
5.	973	+		=	1.271
6.	695	+		=	1.128
7.	550	+		=	881
8.	964	+		=	1.904
9.	841	+		=	1.181
10.	854	+		=	1.494

Oefening 3
1.	317	+		=	589
2.	636	+		=	837
3.	742	+		=	1.210
4.	597	+		=	939
5.	965	+		=	1.566
6.	840	+		=	1.472
7.	814	+		=	1.505
8.	929	+		=	1.405
9.	416	+		=	650
10.	363	+		=	690

Oefening 4
1.	631	+		=	973
2.	636	+		=	1.131
3.	831	+		=	1.274
4.	496	+		=	805
5.	662	+		=	1.052
6.	832	+		=	1.129
7.	496	+		=	848
8.	753	+		=	1.154
9.	825	+		=	1.234
10.	964	+		=	1.221

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	444	+	267	=	711
2.	593	+	475	=	1.068
3.	809	+	305	=	1.114
4.	814	+	661	=	1.475
5.	481	+	203	=	684
6.	817	+	221	=	1.038
7.	385	+	264	=	649
8.	990	+	472	=	1.462
9.	848	+	741	=	1.589
10.	891	+	432	=	1.323

Oefening 2
1.	908	+	628	=	1.536
2.	703	+	663	=	1.366
3.	912	+	908	=	1.820
4.	951	+	304	=	1.255
5.	973	+	298	=	1.271
6.	695	+	433	=	1.128
7.	550	+	331	=	881
8.	964	+	940	=	1.904
9.	841	+	340	=	1.181
10.	854	+	640	=	1.494

Oefening 3
1.	317	+	272	=	589
2.	636	+	201	=	837
3.	742	+	468	=	1.210
4.	597	+	342	=	939
5.	965	+	601	=	1.566
6.	840	+	632	=	1.472
7.	814	+	691	=	1.505
8.	929	+	476	=	1.405
9.	416	+	234	=	650
10.	363	+	327	=	690

Oefening 4
1.	631	+	342	=	973
2.	636	+	495	=	1.131
3.	831	+	443	=	1.274
4.	496	+	309	=	805
5.	662	+	390	=	1.052
6.	832	+	297	=	1.129
7.	496	+	352	=	848
8.	753	+	401	=	1.154
9.	825	+	409	=	1.234
10.	964	+	257	=	1.221