Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	698	+		=	1.197
2.	839	+		=	1.140
3.	634	+		=	1.067
4.	418	+		=	701
5.	990	+		=	1.928
6.	800	+		=	1.483
7.	362	+		=	570
8.	983	+		=	1.666
9.	668	+		=	961
10.	673	+		=	1.172

Oefening 2
1.	788	+		=	1.366
2.	825	+		=	1.570
3.	888	+		=	1.266
4.	919	+		=	1.224
5.	900	+		=	1.155
6.	996	+		=	1.942
7.	459	+		=	901
8.	627	+		=	1.154
9.	890	+		=	1.578
10.	322	+		=	589

Oefening 3
1.	719	+		=	921
2.	943	+		=	1.304
3.	374	+		=	738
4.	716	+		=	1.058
5.	574	+		=	1.120
6.	756	+		=	1.285
7.	822	+		=	1.166
8.	839	+		=	1.061
9.	263	+		=	488
10.	760	+		=	1.177

Oefening 4
1.	398	+		=	787
2.	888	+		=	1.219
3.	630	+		=	1.162
4.	916	+		=	1.438
5.	694	+		=	1.229
6.	943	+		=	1.632
7.	601	+		=	939
8.	703	+		=	1.384
9.	852	+		=	1.675
10.	734	+		=	1.337

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	698	+	499	=	1.197
2.	839	+	301	=	1.140
3.	634	+	433	=	1.067
4.	418	+	283	=	701
5.	990	+	938	=	1.928
6.	800	+	683	=	1.483
7.	362	+	208	=	570
8.	983	+	683	=	1.666
9.	668	+	293	=	961
10.	673	+	499	=	1.172

Oefening 2
1.	788	+	578	=	1.366
2.	825	+	745	=	1.570
3.	888	+	378	=	1.266
4.	919	+	305	=	1.224
5.	900	+	255	=	1.155
6.	996	+	946	=	1.942
7.	459	+	442	=	901
8.	627	+	527	=	1.154
9.	890	+	688	=	1.578
10.	322	+	267	=	589

Oefening 3
1.	719	+	202	=	921
2.	943	+	361	=	1.304
3.	374	+	364	=	738
4.	716	+	342	=	1.058
5.	574	+	546	=	1.120
6.	756	+	529	=	1.285
7.	822	+	344	=	1.166
8.	839	+	222	=	1.061
9.	263	+	225	=	488
10.	760	+	417	=	1.177

Oefening 4
1.	398	+	389	=	787
2.	888	+	331	=	1.219
3.	630	+	532	=	1.162
4.	916	+	522	=	1.438
5.	694	+	535	=	1.229
6.	943	+	689	=	1.632
7.	601	+	338	=	939
8.	703	+	681	=	1.384
9.	852	+	823	=	1.675
10.	734	+	603	=	1.337