Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	691	+		=	913
2.	814	+		=	1.144
3.	676	+		=	1.092
4.	916	+		=	1.267
5.	810	+		=	1.201
6.	569	+		=	1.051
7.	874	+		=	1.128
8.	911	+		=	1.564
9.	772	+		=	1.245
10.	788	+		=	1.530

Oefening 2
1.	357	+		=	653
2.	591	+		=	902
3.	757	+		=	1.440
4.	655	+		=	1.286
5.	979	+		=	1.757
6.	496	+		=	882
7.	800	+		=	1.122
8.	415	+		=	637
9.	674	+		=	1.098
10.	808	+		=	1.141

Oefening 3
1.	282	+		=	523
2.	913	+		=	1.402
3.	356	+		=	656
4.	973	+		=	1.231
5.	366	+		=	604
6.	764	+		=	1.172
7.	824	+		=	1.582
8.	845	+		=	1.113
9.	426	+		=	685
10.	703	+		=	1.251

Oefening 4
1.	720	+		=	1.333
2.	732	+		=	944
3.	659	+		=	864
4.	665	+		=	1.222
5.	890	+		=	1.246
6.	885	+		=	1.488
7.	806	+		=	1.115
8.	920	+		=	1.275
9.	783	+		=	1.180
10.	976	+		=	1.297

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	691	+	222	=	913
2.	814	+	330	=	1.144
3.	676	+	416	=	1.092
4.	916	+	351	=	1.267
5.	810	+	391	=	1.201
6.	569	+	482	=	1.051
7.	874	+	254	=	1.128
8.	911	+	653	=	1.564
9.	772	+	473	=	1.245
10.	788	+	742	=	1.530

Oefening 2
1.	357	+	296	=	653
2.	591	+	311	=	902
3.	757	+	683	=	1.440
4.	655	+	631	=	1.286
5.	979	+	778	=	1.757
6.	496	+	386	=	882
7.	800	+	322	=	1.122
8.	415	+	222	=	637
9.	674	+	424	=	1.098
10.	808	+	333	=	1.141

Oefening 3
1.	282	+	241	=	523
2.	913	+	489	=	1.402
3.	356	+	300	=	656
4.	973	+	258	=	1.231
5.	366	+	238	=	604
6.	764	+	408	=	1.172
7.	824	+	758	=	1.582
8.	845	+	268	=	1.113
9.	426	+	259	=	685
10.	703	+	548	=	1.251

Oefening 4
1.	720	+	613	=	1.333
2.	732	+	212	=	944
3.	659	+	205	=	864
4.	665	+	557	=	1.222
5.	890	+	356	=	1.246
6.	885	+	603	=	1.488
7.	806	+	309	=	1.115
8.	920	+	355	=	1.275
9.	783	+	397	=	1.180
10.	976	+	321	=	1.297