Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	771	+		=	989
2.	294	+		=	535
3.	804	+		=	1.595
4.	686	+		=	1.181
5.	502	+		=	769
6.	624	+		=	968
7.	916	+		=	1.763
8.	537	+		=	928
9.	770	+		=	1.537
10.	958	+		=	1.564

Oefening 2
1.	892	+		=	1.300
2.	818	+		=	1.457
3.	622	+		=	1.016
4.	938	+		=	1.802
5.	790	+		=	1.192
6.	980	+		=	1.759
7.	327	+		=	527
8.	975	+		=	1.739
9.	623	+		=	980
10.	974	+		=	1.374

Oefening 3
1.	567	+		=	858
2.	960	+		=	1.685
3.	769	+		=	1.168
4.	767	+		=	1.004
5.	873	+		=	1.298
6.	838	+		=	1.249
7.	978	+		=	1.501
8.	878	+		=	1.480
9.	556	+		=	860
10.	257	+		=	478

Oefening 4
1.	570	+		=	1.036
2.	639	+		=	1.080
3.	545	+		=	1.031
4.	914	+		=	1.776
5.	598	+		=	1.078
6.	520	+		=	748
7.	431	+		=	772
8.	889	+		=	1.431
9.	360	+		=	590
10.	723	+		=	1.071

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	771	+	218	=	989
2.	294	+	241	=	535
3.	804	+	791	=	1.595
4.	686	+	495	=	1.181
5.	502	+	267	=	769
6.	624	+	344	=	968
7.	916	+	847	=	1.763
8.	537	+	391	=	928
9.	770	+	767	=	1.537
10.	958	+	606	=	1.564

Oefening 2
1.	892	+	408	=	1.300
2.	818	+	639	=	1.457
3.	622	+	394	=	1.016
4.	938	+	864	=	1.802
5.	790	+	402	=	1.192
6.	980	+	779	=	1.759
7.	327	+	200	=	527
8.	975	+	764	=	1.739
9.	623	+	357	=	980
10.	974	+	400	=	1.374

Oefening 3
1.	567	+	291	=	858
2.	960	+	725	=	1.685
3.	769	+	399	=	1.168
4.	767	+	237	=	1.004
5.	873	+	425	=	1.298
6.	838	+	411	=	1.249
7.	978	+	523	=	1.501
8.	878	+	602	=	1.480
9.	556	+	304	=	860
10.	257	+	221	=	478

Oefening 4
1.	570	+	466	=	1.036
2.	639	+	441	=	1.080
3.	545	+	486	=	1.031
4.	914	+	862	=	1.776
5.	598	+	480	=	1.078
6.	520	+	228	=	748
7.	431	+	341	=	772
8.	889	+	542	=	1.431
9.	360	+	230	=	590
10.	723	+	348	=	1.071