Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	971	+		=	1.699
2.	830	+		=	1.088
3.	345	+		=	668
4.	508	+		=	749
5.	883	+		=	1.187
6.	477	+		=	841
7.	299	+		=	502
8.	722	+		=	1.166
9.	492	+		=	794
10.	830	+		=	1.276

Oefening 2
1.	622	+		=	1.112
2.	575	+		=	1.032
3.	893	+		=	1.706
4.	976	+		=	1.733
5.	577	+		=	1.022
6.	868	+		=	1.228
7.	825	+		=	1.405
8.	908	+		=	1.172
9.	992	+		=	1.325
10.	635	+		=	1.239

Oefening 3
1.	970	+		=	1.939
2.	661	+		=	1.127
3.	692	+		=	927
4.	580	+		=	978
5.	553	+		=	773
6.	864	+		=	1.263
7.	898	+		=	1.389
8.	813	+		=	1.500
9.	482	+		=	927
10.	893	+		=	1.600

Oefening 4
1.	884	+		=	1.661
2.	610	+		=	1.174
3.	820	+		=	1.094
4.	704	+		=	1.060
5.	637	+		=	1.026
6.	521	+		=	1.032
7.	797	+		=	1.360
8.	985	+		=	1.324
9.	855	+		=	1.649
10.	750	+		=	1.333

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	971	+	728	=	1.699
2.	830	+	258	=	1.088
3.	345	+	323	=	668
4.	508	+	241	=	749
5.	883	+	304	=	1.187
6.	477	+	364	=	841
7.	299	+	203	=	502
8.	722	+	444	=	1.166
9.	492	+	302	=	794
10.	830	+	446	=	1.276

Oefening 2
1.	622	+	490	=	1.112
2.	575	+	457	=	1.032
3.	893	+	813	=	1.706
4.	976	+	757	=	1.733
5.	577	+	445	=	1.022
6.	868	+	360	=	1.228
7.	825	+	580	=	1.405
8.	908	+	264	=	1.172
9.	992	+	333	=	1.325
10.	635	+	604	=	1.239

Oefening 3
1.	970	+	969	=	1.939
2.	661	+	466	=	1.127
3.	692	+	235	=	927
4.	580	+	398	=	978
5.	553	+	220	=	773
6.	864	+	399	=	1.263
7.	898	+	491	=	1.389
8.	813	+	687	=	1.500
9.	482	+	445	=	927
10.	893	+	707	=	1.600

Oefening 4
1.	884	+	777	=	1.661
2.	610	+	564	=	1.174
3.	820	+	274	=	1.094
4.	704	+	356	=	1.060
5.	637	+	389	=	1.026
6.	521	+	511	=	1.032
7.	797	+	563	=	1.360
8.	985	+	339	=	1.324
9.	855	+	794	=	1.649
10.	750	+	583	=	1.333