Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	820	+		=	1.194
2.	954	+		=	1.369
3.	907	+		=	1.787
4.	749	+		=	983
5.	857	+		=	1.639
6.	779	+		=	1.117
7.	948	+		=	1.814
8.	769	+		=	1.348
9.	888	+		=	1.583
10.	758	+		=	1.082

Oefening 2
1.	520	+		=	864
2.	949	+		=	1.585
3.	884	+		=	1.491
4.	966	+		=	1.708
5.	973	+		=	1.909
6.	750	+		=	1.062
7.	518	+		=	881
8.	829	+		=	1.158
9.	652	+		=	919
10.	539	+		=	761

Oefening 3
1.	665	+		=	1.311
2.	977	+		=	1.836
3.	952	+		=	1.175
4.	901	+		=	1.183
5.	408	+		=	798
6.	716	+		=	1.124
7.	984	+		=	1.637
8.	466	+		=	680
9.	723	+		=	1.255
10.	746	+		=	1.355

Oefening 4
1.	530	+		=	963
2.	989	+		=	1.931
3.	300	+		=	525
4.	824	+		=	1.455
5.	779	+		=	1.458
6.	834	+		=	1.196
7.	752	+		=	1.172
8.	493	+		=	824
9.	877	+		=	1.433
10.	872	+		=	1.728

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	820	+	374	=	1.194
2.	954	+	415	=	1.369
3.	907	+	880	=	1.787
4.	749	+	234	=	983
5.	857	+	782	=	1.639
6.	779	+	338	=	1.117
7.	948	+	866	=	1.814
8.	769	+	579	=	1.348
9.	888	+	695	=	1.583
10.	758	+	324	=	1.082

Oefening 2
1.	520	+	344	=	864
2.	949	+	636	=	1.585
3.	884	+	607	=	1.491
4.	966	+	742	=	1.708
5.	973	+	936	=	1.909
6.	750	+	312	=	1.062
7.	518	+	363	=	881
8.	829	+	329	=	1.158
9.	652	+	267	=	919
10.	539	+	222	=	761

Oefening 3
1.	665	+	646	=	1.311
2.	977	+	859	=	1.836
3.	952	+	223	=	1.175
4.	901	+	282	=	1.183
5.	408	+	390	=	798
6.	716	+	408	=	1.124
7.	984	+	653	=	1.637
8.	466	+	214	=	680
9.	723	+	532	=	1.255
10.	746	+	609	=	1.355

Oefening 4
1.	530	+	433	=	963
2.	989	+	942	=	1.931
3.	300	+	225	=	525
4.	824	+	631	=	1.455
5.	779	+	679	=	1.458
6.	834	+	362	=	1.196
7.	752	+	420	=	1.172
8.	493	+	331	=	824
9.	877	+	556	=	1.433
10.	872	+	856	=	1.728