Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	692	+		=	924
2.	915	+		=	1.658
3.	961	+		=	1.545
4.	658	+		=	1.070
5.	883	+		=	1.526
6.	972	+		=	1.366
7.	389	+		=	732
8.	570	+		=	894
9.	837	+		=	1.568
10.	646	+		=	1.158

Oefening 2
1.	972	+		=	1.799
2.	308	+		=	577
3.	713	+		=	1.411
4.	877	+		=	1.380
5.	379	+		=	653
6.	843	+		=	1.556
7.	693	+		=	999
8.	566	+		=	1.081
9.	874	+		=	1.441
10.	680	+		=	1.146

Oefening 3
1.	863	+		=	1.217
2.	950	+		=	1.491
3.	951	+		=	1.791
4.	407	+		=	790
5.	927	+		=	1.203
6.	910	+		=	1.458
7.	925	+		=	1.635
8.	830	+		=	1.363
9.	939	+		=	1.619
10.	998	+		=	1.871

Oefening 4
1.	647	+		=	873
2.	427	+		=	641
3.	767	+		=	1.115
4.	778	+		=	982
5.	884	+		=	1.683
6.	860	+		=	1.281
7.	505	+		=	774
8.	972	+		=	1.182
9.	252	+		=	474
10.	946	+		=	1.459

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	692	+	232	=	924
2.	915	+	743	=	1.658
3.	961	+	584	=	1.545
4.	658	+	412	=	1.070
5.	883	+	643	=	1.526
6.	972	+	394	=	1.366
7.	389	+	343	=	732
8.	570	+	324	=	894
9.	837	+	731	=	1.568
10.	646	+	512	=	1.158

Oefening 2
1.	972	+	827	=	1.799
2.	308	+	269	=	577
3.	713	+	698	=	1.411
4.	877	+	503	=	1.380
5.	379	+	274	=	653
6.	843	+	713	=	1.556
7.	693	+	306	=	999
8.	566	+	515	=	1.081
9.	874	+	567	=	1.441
10.	680	+	466	=	1.146

Oefening 3
1.	863	+	354	=	1.217
2.	950	+	541	=	1.491
3.	951	+	840	=	1.791
4.	407	+	383	=	790
5.	927	+	276	=	1.203
6.	910	+	548	=	1.458
7.	925	+	710	=	1.635
8.	830	+	533	=	1.363
9.	939	+	680	=	1.619
10.	998	+	873	=	1.871

Oefening 4
1.	647	+	226	=	873
2.	427	+	214	=	641
3.	767	+	348	=	1.115
4.	778	+	204	=	982
5.	884	+	799	=	1.683
6.	860	+	421	=	1.281
7.	505	+	269	=	774
8.	972	+	210	=	1.182
9.	252	+	222	=	474
10.	946	+	513	=	1.459