Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	393	+		=	599
2.	698	+		=	1.348
3.	974	+		=	1.899
4.	859	+		=	1.666
5.	625	+		=	1.077
6.	444	+		=	854
7.	698	+		=	951
8.	746	+		=	1.418
9.	860	+		=	1.313
10.	516	+		=	972

Oefening 2
1.	962	+		=	1.565
2.	876	+		=	1.345
3.	966	+		=	1.175
4.	960	+		=	1.811
5.	953	+		=	1.592
6.	900	+		=	1.223
7.	691	+		=	1.375
8.	668	+		=	1.156
9.	788	+		=	1.075
10.	988	+		=	1.528

Oefening 3
1.	350	+		=	648
2.	886	+		=	1.544
3.	870	+		=	1.700
4.	634	+		=	1.091
5.	725	+		=	1.096
6.	723	+		=	1.124
7.	861	+		=	1.422
8.	834	+		=	1.153
9.	571	+		=	1.045
10.	924	+		=	1.514

Oefening 4
1.	807	+		=	1.093
2.	717	+		=	1.287
3.	921	+		=	1.470
4.	527	+		=	782
5.	932	+		=	1.388
6.	605	+		=	1.014
7.	688	+		=	1.053
8.	460	+		=	874
9.	464	+		=	694
10.	621	+		=	993

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	393	+	206	=	599
2.	698	+	650	=	1.348
3.	974	+	925	=	1.899
4.	859	+	807	=	1.666
5.	625	+	452	=	1.077
6.	444	+	410	=	854
7.	698	+	253	=	951
8.	746	+	672	=	1.418
9.	860	+	453	=	1.313
10.	516	+	456	=	972

Oefening 2
1.	962	+	603	=	1.565
2.	876	+	469	=	1.345
3.	966	+	209	=	1.175
4.	960	+	851	=	1.811
5.	953	+	639	=	1.592
6.	900	+	323	=	1.223
7.	691	+	684	=	1.375
8.	668	+	488	=	1.156
9.	788	+	287	=	1.075
10.	988	+	540	=	1.528

Oefening 3
1.	350	+	298	=	648
2.	886	+	658	=	1.544
3.	870	+	830	=	1.700
4.	634	+	457	=	1.091
5.	725	+	371	=	1.096
6.	723	+	401	=	1.124
7.	861	+	561	=	1.422
8.	834	+	319	=	1.153
9.	571	+	474	=	1.045
10.	924	+	590	=	1.514

Oefening 4
1.	807	+	286	=	1.093
2.	717	+	570	=	1.287
3.	921	+	549	=	1.470
4.	527	+	255	=	782
5.	932	+	456	=	1.388
6.	605	+	409	=	1.014
7.	688	+	365	=	1.053
8.	460	+	414	=	874
9.	464	+	230	=	694
10.	621	+	372	=	993