Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	503	+		=	873
2.	771	+		=	1.299
3.	332	+		=	647
4.	577	+		=	824
5.	666	+		=	998
6.	910	+		=	1.326
7.	781	+		=	1.187
8.	953	+		=	1.817
9.	676	+		=	1.051
10.	448	+		=	771

Oefening 2
1.	474	+		=	818
2.	921	+		=	1.603
3.	517	+		=	922
4.	757	+		=	1.115
5.	740	+		=	1.077
6.	370	+		=	706
7.	804	+		=	1.569
8.	399	+		=	645
9.	428	+		=	843
10.	503	+		=	868

Oefening 3
1.	919	+		=	1.613
2.	847	+		=	1.379
3.	612	+		=	1.147
4.	769	+		=	980
5.	979	+		=	1.325
6.	576	+		=	1.099
7.	609	+		=	1.079
8.	935	+		=	1.152
9.	758	+		=	1.125
10.	807	+		=	1.050

Oefening 4
1.	994	+		=	1.213
2.	814	+		=	1.541
3.	506	+		=	723
4.	868	+		=	1.315
5.	512	+		=	1.004
6.	607	+		=	1.036
7.	663	+		=	1.084
8.	684	+		=	1.156
9.	390	+		=	660
10.	411	+		=	756

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	503	+	370	=	873
2.	771	+	528	=	1.299
3.	332	+	315	=	647
4.	577	+	247	=	824
5.	666	+	332	=	998
6.	910	+	416	=	1.326
7.	781	+	406	=	1.187
8.	953	+	864	=	1.817
9.	676	+	375	=	1.051
10.	448	+	323	=	771

Oefening 2
1.	474	+	344	=	818
2.	921	+	682	=	1.603
3.	517	+	405	=	922
4.	757	+	358	=	1.115
5.	740	+	337	=	1.077
6.	370	+	336	=	706
7.	804	+	765	=	1.569
8.	399	+	246	=	645
9.	428	+	415	=	843
10.	503	+	365	=	868

Oefening 3
1.	919	+	694	=	1.613
2.	847	+	532	=	1.379
3.	612	+	535	=	1.147
4.	769	+	211	=	980
5.	979	+	346	=	1.325
6.	576	+	523	=	1.099
7.	609	+	470	=	1.079
8.	935	+	217	=	1.152
9.	758	+	367	=	1.125
10.	807	+	243	=	1.050

Oefening 4
1.	994	+	219	=	1.213
2.	814	+	727	=	1.541
3.	506	+	217	=	723
4.	868	+	447	=	1.315
5.	512	+	492	=	1.004
6.	607	+	429	=	1.036
7.	663	+	421	=	1.084
8.	684	+	472	=	1.156
9.	390	+	270	=	660
10.	411	+	345	=	756