Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	296	+		=	499
2.	583	+		=	990
3.	453	+		=	745
4.	955	+		=	1.422
5.	920	+		=	1.243
6.	420	+		=	774
7.	745	+		=	1.021
8.	915	+		=	1.701
9.	735	+		=	1.074
10.	975	+		=	1.640

Oefening 2
1.	553	+		=	1.089
2.	527	+		=	927
3.	536	+		=	824
4.	949	+		=	1.869
5.	499	+		=	939
6.	468	+		=	704
7.	477	+		=	917
8.	965	+		=	1.276
9.	924	+		=	1.315
10.	868	+		=	1.709

Oefening 3
1.	754	+		=	1.084
2.	521	+		=	935
3.	786	+		=	1.485
4.	822	+		=	1.548
5.	940	+		=	1.517
6.	920	+		=	1.761
7.	908	+		=	1.246
8.	704	+		=	1.350
9.	428	+		=	830
10.	961	+		=	1.506

Oefening 4
1.	647	+		=	1.216
2.	969	+		=	1.703
3.	743	+		=	1.107
4.	871	+		=	1.710
5.	658	+		=	1.250
6.	908	+		=	1.357
7.	448	+		=	672
8.	861	+		=	1.199
9.	738	+		=	1.246
10.	782	+		=	1.304

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	296	+	203	=	499
2.	583	+	407	=	990
3.	453	+	292	=	745
4.	955	+	467	=	1.422
5.	920	+	323	=	1.243
6.	420	+	354	=	774
7.	745	+	276	=	1.021
8.	915	+	786	=	1.701
9.	735	+	339	=	1.074
10.	975	+	665	=	1.640

Oefening 2
1.	553	+	536	=	1.089
2.	527	+	400	=	927
3.	536	+	288	=	824
4.	949	+	920	=	1.869
5.	499	+	440	=	939
6.	468	+	236	=	704
7.	477	+	440	=	917
8.	965	+	311	=	1.276
9.	924	+	391	=	1.315
10.	868	+	841	=	1.709

Oefening 3
1.	754	+	330	=	1.084
2.	521	+	414	=	935
3.	786	+	699	=	1.485
4.	822	+	726	=	1.548
5.	940	+	577	=	1.517
6.	920	+	841	=	1.761
7.	908	+	338	=	1.246
8.	704	+	646	=	1.350
9.	428	+	402	=	830
10.	961	+	545	=	1.506

Oefening 4
1.	647	+	569	=	1.216
2.	969	+	734	=	1.703
3.	743	+	364	=	1.107
4.	871	+	839	=	1.710
5.	658	+	592	=	1.250
6.	908	+	449	=	1.357
7.	448	+	224	=	672
8.	861	+	338	=	1.199
9.	738	+	508	=	1.246
10.	782	+	522	=	1.304