Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	501	+		=	772
2.	440	+		=	764
3.	878	+		=	1.393
4.	727	+		=	1.289
5.	717	+		=	1.297
6.	567	+		=	1.050
7.	352	+		=	690
8.	703	+		=	1.403
9.	513	+		=	948
10.	621	+		=	976

Oefening 2
1.	855	+		=	1.475
2.	803	+		=	1.157
3.	631	+		=	1.215
4.	700	+		=	1.367
5.	932	+		=	1.832
6.	679	+		=	1.104
7.	442	+		=	642
8.	855	+		=	1.318
9.	641	+		=	1.095
10.	564	+		=	1.101

Oefening 3
1.	917	+		=	1.372
2.	598	+		=	1.115
3.	668	+		=	999
4.	587	+		=	895
5.	547	+		=	760
6.	957	+		=	1.881
7.	668	+		=	1.099
8.	752	+		=	1.301
9.	885	+		=	1.589
10.	934	+		=	1.252

Oefening 4
1.	774	+		=	1.195
2.	522	+		=	924
3.	785	+		=	1.530
4.	774	+		=	1.524
5.	380	+		=	605
6.	902	+		=	1.504
7.	979	+		=	1.644
8.	793	+		=	1.200
9.	836	+		=	1.470
10.	861	+		=	1.541

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	501	+	271	=	772
2.	440	+	324	=	764
3.	878	+	515	=	1.393
4.	727	+	562	=	1.289
5.	717	+	580	=	1.297
6.	567	+	483	=	1.050
7.	352	+	338	=	690
8.	703	+	700	=	1.403
9.	513	+	435	=	948
10.	621	+	355	=	976

Oefening 2
1.	855	+	620	=	1.475
2.	803	+	354	=	1.157
3.	631	+	584	=	1.215
4.	700	+	667	=	1.367
5.	932	+	900	=	1.832
6.	679	+	425	=	1.104
7.	442	+	200	=	642
8.	855	+	463	=	1.318
9.	641	+	454	=	1.095
10.	564	+	537	=	1.101

Oefening 3
1.	917	+	455	=	1.372
2.	598	+	517	=	1.115
3.	668	+	331	=	999
4.	587	+	308	=	895
5.	547	+	213	=	760
6.	957	+	924	=	1.881
7.	668	+	431	=	1.099
8.	752	+	549	=	1.301
9.	885	+	704	=	1.589
10.	934	+	318	=	1.252

Oefening 4
1.	774	+	421	=	1.195
2.	522	+	402	=	924
3.	785	+	745	=	1.530
4.	774	+	750	=	1.524
5.	380	+	225	=	605
6.	902	+	602	=	1.504
7.	979	+	665	=	1.644
8.	793	+	407	=	1.200
9.	836	+	634	=	1.470
10.	861	+	680	=	1.541