Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	254	+		=	501
2.	977	+		=	1.736
3.	605	+		=	1.152
4.	955	+		=	1.441
5.	940	+		=	1.404
6.	966	+		=	1.744
7.	807	+		=	1.127
8.	870	+		=	1.525
9.	589	+		=	1.097
10.	929	+		=	1.417

Oefening 2
1.	701	+		=	1.121
2.	713	+		=	1.403
3.	542	+		=	970
4.	940	+		=	1.249
5.	428	+		=	742
6.	868	+		=	1.423
7.	897	+		=	1.657
8.	958	+		=	1.352
9.	964	+		=	1.448
10.	964	+		=	1.171

Oefening 3
1.	440	+		=	762
2.	897	+		=	1.556
3.	964	+		=	1.878
4.	343	+		=	556
5.	547	+		=	843
6.	838	+		=	1.530
7.	845	+		=	1.184
8.	796	+		=	1.170
9.	824	+		=	1.506
10.	927	+		=	1.729

Oefening 4
1.	973	+		=	1.729
2.	910	+		=	1.118
3.	650	+		=	880
4.	889	+		=	1.570
5.	740	+		=	1.414
6.	885	+		=	1.746
7.	545	+		=	828
8.	569	+		=	770
9.	849	+		=	1.200
10.	447	+		=	691

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	254	+	247	=	501
2.	977	+	759	=	1.736
3.	605	+	547	=	1.152
4.	955	+	486	=	1.441
5.	940	+	464	=	1.404
6.	966	+	778	=	1.744
7.	807	+	320	=	1.127
8.	870	+	655	=	1.525
9.	589	+	508	=	1.097
10.	929	+	488	=	1.417

Oefening 2
1.	701	+	420	=	1.121
2.	713	+	690	=	1.403
3.	542	+	428	=	970
4.	940	+	309	=	1.249
5.	428	+	314	=	742
6.	868	+	555	=	1.423
7.	897	+	760	=	1.657
8.	958	+	394	=	1.352
9.	964	+	484	=	1.448
10.	964	+	207	=	1.171

Oefening 3
1.	440	+	322	=	762
2.	897	+	659	=	1.556
3.	964	+	914	=	1.878
4.	343	+	213	=	556
5.	547	+	296	=	843
6.	838	+	692	=	1.530
7.	845	+	339	=	1.184
8.	796	+	374	=	1.170
9.	824	+	682	=	1.506
10.	927	+	802	=	1.729

Oefening 4
1.	973	+	756	=	1.729
2.	910	+	208	=	1.118
3.	650	+	230	=	880
4.	889	+	681	=	1.570
5.	740	+	674	=	1.414
6.	885	+	861	=	1.746
7.	545	+	283	=	828
8.	569	+	201	=	770
9.	849	+	351	=	1.200
10.	447	+	244	=	691