Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	775	+		=	1.309
2.	880	+		=	1.411
3.	858	+		=	1.249
4.	790	+		=	1.007
5.	852	+		=	1.570
6.	597	+		=	1.004
7.	983	+		=	1.342
8.	426	+		=	836
9.	561	+		=	1.106
10.	910	+		=	1.691

Oefening 2
1.	253	+		=	489
2.	851	+		=	1.288
3.	878	+		=	1.683
4.	760	+		=	1.415
5.	660	+		=	1.277
6.	802	+		=	1.279
7.	909	+		=	1.348
8.	682	+		=	989
9.	710	+		=	1.282
10.	749	+		=	1.097

Oefening 3
1.	676	+		=	1.317
2.	922	+		=	1.673
3.	768	+		=	1.086
4.	510	+		=	1.003
5.	809	+		=	1.146
6.	412	+		=	765
7.	988	+		=	1.384
8.	488	+		=	864
9.	798	+		=	1.044
10.	574	+		=	1.004

Oefening 4
1.	458	+		=	774
2.	974	+		=	1.677
3.	892	+		=	1.219
4.	476	+		=	719
5.	658	+		=	1.108
6.	688	+		=	1.104
7.	972	+		=	1.802
8.	982	+		=	1.783
9.	680	+		=	898
10.	479	+		=	689

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	775	+	534	=	1.309
2.	880	+	531	=	1.411
3.	858	+	391	=	1.249
4.	790	+	217	=	1.007
5.	852	+	718	=	1.570
6.	597	+	407	=	1.004
7.	983	+	359	=	1.342
8.	426	+	410	=	836
9.	561	+	545	=	1.106
10.	910	+	781	=	1.691

Oefening 2
1.	253	+	236	=	489
2.	851	+	437	=	1.288
3.	878	+	805	=	1.683
4.	760	+	655	=	1.415
5.	660	+	617	=	1.277
6.	802	+	477	=	1.279
7.	909	+	439	=	1.348
8.	682	+	307	=	989
9.	710	+	572	=	1.282
10.	749	+	348	=	1.097

Oefening 3
1.	676	+	641	=	1.317
2.	922	+	751	=	1.673
3.	768	+	318	=	1.086
4.	510	+	493	=	1.003
5.	809	+	337	=	1.146
6.	412	+	353	=	765
7.	988	+	396	=	1.384
8.	488	+	376	=	864
9.	798	+	246	=	1.044
10.	574	+	430	=	1.004

Oefening 4
1.	458	+	316	=	774
2.	974	+	703	=	1.677
3.	892	+	327	=	1.219
4.	476	+	243	=	719
5.	658	+	450	=	1.108
6.	688	+	416	=	1.104
7.	972	+	830	=	1.802
8.	982	+	801	=	1.783
9.	680	+	218	=	898
10.	479	+	210	=	689