Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	553	+		=	925
2.	665	+		=	893
3.	691	+		=	1.014
4.	680	+		=	1.126
5.	642	+		=	1.193
6.	345	+		=	591
7.	880	+		=	1.671
8.	547	+		=	958
9.	908	+		=	1.683
10.	829	+		=	1.525

Oefening 2
1.	792	+		=	1.193
2.	933	+		=	1.381
3.	681	+		=	1.087
4.	694	+		=	1.142
5.	728	+		=	1.113
6.	844	+		=	1.159
7.	957	+		=	1.495
8.	873	+		=	1.473
9.	705	+		=	1.316
10.	621	+		=	923

Oefening 3
1.	488	+		=	865
2.	620	+		=	1.098
3.	954	+		=	1.868
4.	931	+		=	1.576
5.	725	+		=	1.188
6.	489	+		=	828
7.	715	+		=	1.056
8.	915	+		=	1.822
9.	578	+		=	842
10.	714	+		=	1.103

Oefening 4
1.	604	+		=	854
2.	657	+		=	891
3.	887	+		=	1.180
4.	635	+		=	1.213
5.	382	+		=	676
6.	894	+		=	1.342
7.	776	+		=	1.259
8.	734	+		=	1.239
9.	794	+		=	1.563
10.	530	+		=	923

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	553	+	372	=	925
2.	665	+	228	=	893
3.	691	+	323	=	1.014
4.	680	+	446	=	1.126
5.	642	+	551	=	1.193
6.	345	+	246	=	591
7.	880	+	791	=	1.671
8.	547	+	411	=	958
9.	908	+	775	=	1.683
10.	829	+	696	=	1.525

Oefening 2
1.	792	+	401	=	1.193
2.	933	+	448	=	1.381
3.	681	+	406	=	1.087
4.	694	+	448	=	1.142
5.	728	+	385	=	1.113
6.	844	+	315	=	1.159
7.	957	+	538	=	1.495
8.	873	+	600	=	1.473
9.	705	+	611	=	1.316
10.	621	+	302	=	923

Oefening 3
1.	488	+	377	=	865
2.	620	+	478	=	1.098
3.	954	+	914	=	1.868
4.	931	+	645	=	1.576
5.	725	+	463	=	1.188
6.	489	+	339	=	828
7.	715	+	341	=	1.056
8.	915	+	907	=	1.822
9.	578	+	264	=	842
10.	714	+	389	=	1.103

Oefening 4
1.	604	+	250	=	854
2.	657	+	234	=	891
3.	887	+	293	=	1.180
4.	635	+	578	=	1.213
5.	382	+	294	=	676
6.	894	+	448	=	1.342
7.	776	+	483	=	1.259
8.	734	+	505	=	1.239
9.	794	+	769	=	1.563
10.	530	+	393	=	923