Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	552	+		=	1.018
2.	564	+		=	823
3.	759	+		=	1.219
4.	769	+		=	1.114
5.	459	+		=	774
6.	697	+		=	1.041
7.	976	+		=	1.712
8.	620	+		=	969
9.	709	+		=	1.266
10.	767	+		=	1.481

Oefening 2
1.	574	+		=	1.067
2.	781	+		=	1.376
3.	387	+		=	664
4.	855	+		=	1.310
5.	591	+		=	819
6.	562	+		=	907
7.	258	+		=	499
8.	816	+		=	1.066
9.	675	+		=	1.052
10.	729	+		=	1.134

Oefening 3
1.	858	+		=	1.443
2.	916	+		=	1.751
3.	711	+		=	1.401
4.	851	+		=	1.318
5.	635	+		=	884
6.	908	+		=	1.287
7.	611	+		=	1.049
8.	622	+		=	1.186
9.	920	+		=	1.323
10.	826	+		=	1.045

Oefening 4
1.	690	+		=	1.137
2.	544	+		=	850
3.	579	+		=	949
4.	740	+		=	1.182
5.	638	+		=	1.219
6.	940	+		=	1.287
7.	947	+		=	1.825
8.	789	+		=	1.020
9.	990	+		=	1.507
10.	928	+		=	1.447

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	552	+	466	=	1.018
2.	564	+	259	=	823
3.	759	+	460	=	1.219
4.	769	+	345	=	1.114
5.	459	+	315	=	774
6.	697	+	344	=	1.041
7.	976	+	736	=	1.712
8.	620	+	349	=	969
9.	709	+	557	=	1.266
10.	767	+	714	=	1.481

Oefening 2
1.	574	+	493	=	1.067
2.	781	+	595	=	1.376
3.	387	+	277	=	664
4.	855	+	455	=	1.310
5.	591	+	228	=	819
6.	562	+	345	=	907
7.	258	+	241	=	499
8.	816	+	250	=	1.066
9.	675	+	377	=	1.052
10.	729	+	405	=	1.134

Oefening 3
1.	858	+	585	=	1.443
2.	916	+	835	=	1.751
3.	711	+	690	=	1.401
4.	851	+	467	=	1.318
5.	635	+	249	=	884
6.	908	+	379	=	1.287
7.	611	+	438	=	1.049
8.	622	+	564	=	1.186
9.	920	+	403	=	1.323
10.	826	+	219	=	1.045

Oefening 4
1.	690	+	447	=	1.137
2.	544	+	306	=	850
3.	579	+	370	=	949
4.	740	+	442	=	1.182
5.	638	+	581	=	1.219
6.	940	+	347	=	1.287
7.	947	+	878	=	1.825
8.	789	+	231	=	1.020
9.	990	+	517	=	1.507
10.	928	+	519	=	1.447