Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	997	+		=	1.242
2.	910	+		=	1.266
3.	813	+		=	1.381
4.	447	+		=	742
5.	382	+		=	714
6.	826	+		=	1.450
7.	766	+		=	1.288
8.	810	+		=	1.321
9.	758	+		=	1.216
10.	813	+		=	1.255

Oefening 2
1.	574	+		=	962
2.	929	+		=	1.394
3.	892	+		=	1.702
4.	965	+		=	1.504
5.	993	+		=	1.294
6.	862	+		=	1.171
7.	270	+		=	504
8.	693	+		=	1.356
9.	969	+		=	1.472
10.	908	+		=	1.784

Oefening 3
1.	942	+		=	1.792
2.	692	+		=	1.144
3.	750	+		=	1.433
4.	490	+		=	962
5.	368	+		=	638
6.	892	+		=	1.230
7.	729	+		=	1.258
8.	337	+		=	570
9.	545	+		=	944
10.	831	+		=	1.659

Oefening 4
1.	939	+		=	1.358
2.	981	+		=	1.907
3.	797	+		=	1.458
4.	859	+		=	1.640
5.	729	+		=	1.054
6.	556	+		=	977
7.	859	+		=	1.568
8.	627	+		=	939
9.	759	+		=	1.062
10.	356	+		=	561

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	997	+	245	=	1.242
2.	910	+	356	=	1.266
3.	813	+	568	=	1.381
4.	447	+	295	=	742
5.	382	+	332	=	714
6.	826	+	624	=	1.450
7.	766	+	522	=	1.288
8.	810	+	511	=	1.321
9.	758	+	458	=	1.216
10.	813	+	442	=	1.255

Oefening 2
1.	574	+	388	=	962
2.	929	+	465	=	1.394
3.	892	+	810	=	1.702
4.	965	+	539	=	1.504
5.	993	+	301	=	1.294
6.	862	+	309	=	1.171
7.	270	+	234	=	504
8.	693	+	663	=	1.356
9.	969	+	503	=	1.472
10.	908	+	876	=	1.784

Oefening 3
1.	942	+	850	=	1.792
2.	692	+	452	=	1.144
3.	750	+	683	=	1.433
4.	490	+	472	=	962
5.	368	+	270	=	638
6.	892	+	338	=	1.230
7.	729	+	529	=	1.258
8.	337	+	233	=	570
9.	545	+	399	=	944
10.	831	+	828	=	1.659

Oefening 4
1.	939	+	419	=	1.358
2.	981	+	926	=	1.907
3.	797	+	661	=	1.458
4.	859	+	781	=	1.640
5.	729	+	325	=	1.054
6.	556	+	421	=	977
7.	859	+	709	=	1.568
8.	627	+	312	=	939
9.	759	+	303	=	1.062
10.	356	+	205	=	561