Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	741	+		=	1.382
2.	311	+		=	566
3.	815	+		=	1.198
4.	775	+		=	1.249
5.	868	+		=	1.167
6.	990	+		=	1.506
7.	934	+		=	1.280
8.	806	+		=	1.135
9.	713	+		=	1.023
10.	785	+		=	1.111

Oefening 2
1.	975	+		=	1.591
2.	432	+		=	656
3.	727	+		=	1.361
4.	908	+		=	1.125
5.	758	+		=	1.040
6.	696	+		=	1.096
7.	802	+		=	1.210
8.	895	+		=	1.317
9.	258	+		=	502
10.	835	+		=	1.117

Oefening 3
1.	640	+		=	1.032
2.	908	+		=	1.318
3.	901	+		=	1.544
4.	379	+		=	657
5.	700	+		=	1.324
6.	829	+		=	1.627
7.	653	+		=	1.052
8.	830	+		=	1.112
9.	922	+		=	1.553
10.	989	+		=	1.808

Oefening 4
1.	551	+		=	1.014
2.	923	+		=	1.785
3.	815	+		=	1.506
4.	625	+		=	1.187
5.	803	+		=	1.281
6.	992	+		=	1.964
7.	641	+		=	1.076
8.	428	+		=	743
9.	933	+		=	1.135
10.	699	+		=	1.248

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	741	+	641	=	1.382
2.	311	+	255	=	566
3.	815	+	383	=	1.198
4.	775	+	474	=	1.249
5.	868	+	299	=	1.167
6.	990	+	516	=	1.506
7.	934	+	346	=	1.280
8.	806	+	329	=	1.135
9.	713	+	310	=	1.023
10.	785	+	326	=	1.111

Oefening 2
1.	975	+	616	=	1.591
2.	432	+	224	=	656
3.	727	+	634	=	1.361
4.	908	+	217	=	1.125
5.	758	+	282	=	1.040
6.	696	+	400	=	1.096
7.	802	+	408	=	1.210
8.	895	+	422	=	1.317
9.	258	+	244	=	502
10.	835	+	282	=	1.117

Oefening 3
1.	640	+	392	=	1.032
2.	908	+	410	=	1.318
3.	901	+	643	=	1.544
4.	379	+	278	=	657
5.	700	+	624	=	1.324
6.	829	+	798	=	1.627
7.	653	+	399	=	1.052
8.	830	+	282	=	1.112
9.	922	+	631	=	1.553
10.	989	+	819	=	1.808

Oefening 4
1.	551	+	463	=	1.014
2.	923	+	862	=	1.785
3.	815	+	691	=	1.506
4.	625	+	562	=	1.187
5.	803	+	478	=	1.281
6.	992	+	972	=	1.964
7.	641	+	435	=	1.076
8.	428	+	315	=	743
9.	933	+	202	=	1.135
10.	699	+	549	=	1.248