Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	709	+		=	1.189
2.	877	+		=	1.558
3.	717	+		=	1.412
4.	785	+		=	1.430
5.	892	+		=	1.267
6.	959	+		=	1.273
7.	848	+		=	1.065
8.	909	+		=	1.219
9.	780	+		=	1.556
10.	938	+		=	1.554

Oefening 2
1.	810	+		=	1.409
2.	968	+		=	1.323
3.	783	+		=	1.086
4.	673	+		=	1.266
5.	306	+		=	523
6.	945	+		=	1.535
7.	574	+		=	1.010
8.	967	+		=	1.913
9.	553	+		=	971
10.	742	+		=	1.328

Oefening 3
1.	889	+		=	1.192
2.	780	+		=	1.548
3.	819	+		=	1.581
4.	748	+		=	1.188
5.	763	+		=	1.412
6.	771	+		=	1.236
7.	989	+		=	1.613
8.	698	+		=	928
9.	517	+		=	771
10.	519	+		=	884

Oefening 4
1.	484	+		=	771
2.	692	+		=	967
3.	891	+		=	1.414
4.	874	+		=	1.727
5.	733	+		=	1.117
6.	994	+		=	1.325
7.	410	+		=	781
8.	372	+		=	710
9.	814	+		=	1.415
10.	886	+		=	1.243

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	709	+	480	=	1.189
2.	877	+	681	=	1.558
3.	717	+	695	=	1.412
4.	785	+	645	=	1.430
5.	892	+	375	=	1.267
6.	959	+	314	=	1.273
7.	848	+	217	=	1.065
8.	909	+	310	=	1.219
9.	780	+	776	=	1.556
10.	938	+	616	=	1.554

Oefening 2
1.	810	+	599	=	1.409
2.	968	+	355	=	1.323
3.	783	+	303	=	1.086
4.	673	+	593	=	1.266
5.	306	+	217	=	523
6.	945	+	590	=	1.535
7.	574	+	436	=	1.010
8.	967	+	946	=	1.913
9.	553	+	418	=	971
10.	742	+	586	=	1.328

Oefening 3
1.	889	+	303	=	1.192
2.	780	+	768	=	1.548
3.	819	+	762	=	1.581
4.	748	+	440	=	1.188
5.	763	+	649	=	1.412
6.	771	+	465	=	1.236
7.	989	+	624	=	1.613
8.	698	+	230	=	928
9.	517	+	254	=	771
10.	519	+	365	=	884

Oefening 4
1.	484	+	287	=	771
2.	692	+	275	=	967
3.	891	+	523	=	1.414
4.	874	+	853	=	1.727
5.	733	+	384	=	1.117
6.	994	+	331	=	1.325
7.	410	+	371	=	781
8.	372	+	338	=	710
9.	814	+	601	=	1.415
10.	886	+	357	=	1.243