Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	547	+		=	914
2.	496	+		=	872
3.	914	+		=	1.730
4.	902	+		=	1.345
5.	463	+		=	892
6.	959	+		=	1.360
7.	865	+		=	1.632
8.	396	+		=	722
9.	531	+		=	970
10.	661	+		=	1.093

Oefening 2
1.	521	+		=	1.040
2.	803	+		=	1.316
3.	873	+		=	1.571
4.	816	+		=	1.299
5.	774	+		=	1.005
6.	396	+		=	758
7.	668	+		=	1.094
8.	772	+		=	1.479
9.	703	+		=	1.374
10.	598	+		=	861

Oefening 3
1.	565	+		=	1.116
2.	883	+		=	1.411
3.	822	+		=	1.544
4.	743	+		=	1.346
5.	268	+		=	509
6.	684	+		=	1.222
7.	429	+		=	774
8.	649	+		=	895
9.	728	+		=	1.293
10.	957	+		=	1.830

Oefening 4
1.	979	+		=	1.279
2.	748	+		=	1.447
3.	527	+		=	772
4.	914	+		=	1.567
5.	678	+		=	928
6.	858	+		=	1.544
7.	985	+		=	1.864
8.	997	+		=	1.849
9.	509	+		=	742
10.	785	+		=	1.448

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	547	+	367	=	914
2.	496	+	376	=	872
3.	914	+	816	=	1.730
4.	902	+	443	=	1.345
5.	463	+	429	=	892
6.	959	+	401	=	1.360
7.	865	+	767	=	1.632
8.	396	+	326	=	722
9.	531	+	439	=	970
10.	661	+	432	=	1.093

Oefening 2
1.	521	+	519	=	1.040
2.	803	+	513	=	1.316
3.	873	+	698	=	1.571
4.	816	+	483	=	1.299
5.	774	+	231	=	1.005
6.	396	+	362	=	758
7.	668	+	426	=	1.094
8.	772	+	707	=	1.479
9.	703	+	671	=	1.374
10.	598	+	263	=	861

Oefening 3
1.	565	+	551	=	1.116
2.	883	+	528	=	1.411
3.	822	+	722	=	1.544
4.	743	+	603	=	1.346
5.	268	+	241	=	509
6.	684	+	538	=	1.222
7.	429	+	345	=	774
8.	649	+	246	=	895
9.	728	+	565	=	1.293
10.	957	+	873	=	1.830

Oefening 4
1.	979	+	300	=	1.279
2.	748	+	699	=	1.447
3.	527	+	245	=	772
4.	914	+	653	=	1.567
5.	678	+	250	=	928
6.	858	+	686	=	1.544
7.	985	+	879	=	1.864
8.	997	+	852	=	1.849
9.	509	+	233	=	742
10.	785	+	663	=	1.448