Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	274	+		=	548
2.	901	+		=	1.215
3.	492	+		=	861
4.	852	+		=	1.628
5.	545	+		=	1.069
6.	431	+		=	823
7.	851	+		=	1.697
8.	895	+		=	1.468
9.	758	+		=	1.263
10.	429	+		=	847

Oefening 2
1.	478	+		=	825
2.	639	+		=	1.052
3.	755	+		=	1.346
4.	740	+		=	1.141
5.	779	+		=	1.077
6.	779	+		=	1.128
7.	879	+		=	1.451
8.	953	+		=	1.899
9.	791	+		=	1.323
10.	478	+		=	853

Oefening 3
1.	920	+		=	1.584
2.	736	+		=	1.151
3.	905	+		=	1.187
4.	725	+		=	1.301
5.	772	+		=	1.155
6.	606	+		=	855
7.	916	+		=	1.435
8.	987	+		=	1.362
9.	712	+		=	1.319
10.	553	+		=	797

Oefening 4
1.	921	+		=	1.488
2.	650	+		=	1.099
3.	411	+		=	749
4.	951	+		=	1.816
5.	885	+		=	1.458
6.	260	+		=	460
7.	517	+		=	978
8.	994	+		=	1.962
9.	1.000	+		=	1.353
10.	607	+		=	1.001

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	274	+	274	=	548
2.	901	+	314	=	1.215
3.	492	+	369	=	861
4.	852	+	776	=	1.628
5.	545	+	524	=	1.069
6.	431	+	392	=	823
7.	851	+	846	=	1.697
8.	895	+	573	=	1.468
9.	758	+	505	=	1.263
10.	429	+	418	=	847

Oefening 2
1.	478	+	347	=	825
2.	639	+	413	=	1.052
3.	755	+	591	=	1.346
4.	740	+	401	=	1.141
5.	779	+	298	=	1.077
6.	779	+	349	=	1.128
7.	879	+	572	=	1.451
8.	953	+	946	=	1.899
9.	791	+	532	=	1.323
10.	478	+	375	=	853

Oefening 3
1.	920	+	664	=	1.584
2.	736	+	415	=	1.151
3.	905	+	282	=	1.187
4.	725	+	576	=	1.301
5.	772	+	383	=	1.155
6.	606	+	249	=	855
7.	916	+	519	=	1.435
8.	987	+	375	=	1.362
9.	712	+	607	=	1.319
10.	553	+	244	=	797

Oefening 4
1.	921	+	567	=	1.488
2.	650	+	449	=	1.099
3.	411	+	338	=	749
4.	951	+	865	=	1.816
5.	885	+	573	=	1.458
6.	260	+	200	=	460
7.	517	+	461	=	978
8.	994	+	968	=	1.962
9.	1.000	+	353	=	1.353
10.	607	+	394	=	1.001