Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	380	+		=	755
2.	947	+		=	1.480
3.	538	+		=	962
4.	549	+		=	1.007
5.	935	+		=	1.496
6.	381	+		=	726
7.	941	+		=	1.863
8.	822	+		=	1.026
9.	922	+		=	1.760
10.	941	+		=	1.203

Oefening 2
1.	911	+		=	1.335
2.	873	+		=	1.351
3.	909	+		=	1.188
4.	711	+		=	1.235
5.	329	+		=	628
6.	720	+		=	1.217
7.	405	+		=	635
8.	772	+		=	1.072
9.	482	+		=	864
10.	968	+		=	1.879

Oefening 3
1.	915	+		=	1.538
2.	633	+		=	1.062
3.	970	+		=	1.172
4.	979	+		=	1.548
5.	911	+		=	1.432
6.	973	+		=	1.676
7.	830	+		=	1.468
8.	859	+		=	1.168
9.	857	+		=	1.232
10.	733	+		=	935

Oefening 4
1.	773	+		=	1.114
2.	992	+		=	1.729
3.	758	+		=	1.052
4.	938	+		=	1.255
5.	603	+		=	1.112
6.	600	+		=	926
7.	973	+		=	1.551
8.	843	+		=	1.586
9.	803	+		=	1.332
10.	827	+		=	1.644

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	380	+	375	=	755
2.	947	+	533	=	1.480
3.	538	+	424	=	962
4.	549	+	458	=	1.007
5.	935	+	561	=	1.496
6.	381	+	345	=	726
7.	941	+	922	=	1.863
8.	822	+	204	=	1.026
9.	922	+	838	=	1.760
10.	941	+	262	=	1.203

Oefening 2
1.	911	+	424	=	1.335
2.	873	+	478	=	1.351
3.	909	+	279	=	1.188
4.	711	+	524	=	1.235
5.	329	+	299	=	628
6.	720	+	497	=	1.217
7.	405	+	230	=	635
8.	772	+	300	=	1.072
9.	482	+	382	=	864
10.	968	+	911	=	1.879

Oefening 3
1.	915	+	623	=	1.538
2.	633	+	429	=	1.062
3.	970	+	202	=	1.172
4.	979	+	569	=	1.548
5.	911	+	521	=	1.432
6.	973	+	703	=	1.676
7.	830	+	638	=	1.468
8.	859	+	309	=	1.168
9.	857	+	375	=	1.232
10.	733	+	202	=	935

Oefening 4
1.	773	+	341	=	1.114
2.	992	+	737	=	1.729
3.	758	+	294	=	1.052
4.	938	+	317	=	1.255
5.	603	+	509	=	1.112
6.	600	+	326	=	926
7.	973	+	578	=	1.551
8.	843	+	743	=	1.586
9.	803	+	529	=	1.332
10.	827	+	817	=	1.644