Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	998	+		=	1.784
2.	641	+		=	876
3.	697	+		=	978
4.	977	+		=	1.185
5.	516	+		=	950
6.	939	+		=	1.717
7.	989	+		=	1.339
8.	685	+		=	1.350
9.	972	+		=	1.377
10.	986	+		=	1.504

Oefening 2
1.	673	+		=	1.046
2.	557	+		=	1.104
3.	370	+		=	582
4.	980	+		=	1.960
5.	931	+		=	1.191
6.	366	+		=	592
7.	818	+		=	1.028
8.	973	+		=	1.800
9.	699	+		=	1.362
10.	837	+		=	1.388

Oefening 3
1.	677	+		=	1.185
2.	893	+		=	1.505
3.	780	+		=	1.063
4.	749	+		=	979
5.	627	+		=	836
6.	907	+		=	1.748
7.	949	+		=	1.486
8.	603	+		=	867
9.	667	+		=	966
10.	934	+		=	1.244

Oefening 4
1.	887	+		=	1.400
2.	918	+		=	1.360
3.	860	+		=	1.376
4.	905	+		=	1.369
5.	791	+		=	1.384
6.	434	+		=	651
7.	970	+		=	1.462
8.	681	+		=	1.244
9.	470	+		=	703
10.	952	+		=	1.383

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	998	+	786	=	1.784
2.	641	+	235	=	876
3.	697	+	281	=	978
4.	977	+	208	=	1.185
5.	516	+	434	=	950
6.	939	+	778	=	1.717
7.	989	+	350	=	1.339
8.	685	+	665	=	1.350
9.	972	+	405	=	1.377
10.	986	+	518	=	1.504

Oefening 2
1.	673	+	373	=	1.046
2.	557	+	547	=	1.104
3.	370	+	212	=	582
4.	980	+	980	=	1.960
5.	931	+	260	=	1.191
6.	366	+	226	=	592
7.	818	+	210	=	1.028
8.	973	+	827	=	1.800
9.	699	+	663	=	1.362
10.	837	+	551	=	1.388

Oefening 3
1.	677	+	508	=	1.185
2.	893	+	612	=	1.505
3.	780	+	283	=	1.063
4.	749	+	230	=	979
5.	627	+	209	=	836
6.	907	+	841	=	1.748
7.	949	+	537	=	1.486
8.	603	+	264	=	867
9.	667	+	299	=	966
10.	934	+	310	=	1.244

Oefening 4
1.	887	+	513	=	1.400
2.	918	+	442	=	1.360
3.	860	+	516	=	1.376
4.	905	+	464	=	1.369
5.	791	+	593	=	1.384
6.	434	+	217	=	651
7.	970	+	492	=	1.462
8.	681	+	563	=	1.244
9.	470	+	233	=	703
10.	952	+	431	=	1.383