Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	443	+		=	653
2.	797	+		=	1.493
3.	960	+		=	1.911
4.	906	+		=	1.523
5.	244	+		=	465
6.	493	+		=	869
7.	477	+		=	755
8.	496	+		=	936
9.	872	+		=	1.476
10.	801	+		=	1.143

Oefening 2
1.	766	+		=	993
2.	526	+		=	974
3.	686	+		=	1.317
4.	824	+		=	1.274
5.	542	+		=	827
6.	358	+		=	581
7.	910	+		=	1.198
8.	514	+		=	1.012
9.	976	+		=	1.589
10.	405	+		=	693

Oefening 3
1.	963	+		=	1.674
2.	768	+		=	1.001
3.	696	+		=	1.279
4.	671	+		=	1.040
5.	486	+		=	830
6.	867	+		=	1.618
7.	581	+		=	987
8.	666	+		=	982
9.	724	+		=	1.369
10.	815	+		=	1.213

Oefening 4
1.	813	+		=	1.210
2.	675	+		=	1.192
3.	975	+		=	1.644
4.	639	+		=	1.236
5.	694	+		=	900
6.	979	+		=	1.650
7.	659	+		=	882
8.	936	+		=	1.660
9.	733	+		=	1.362
10.	949	+		=	1.761

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	443	+	210	=	653
2.	797	+	696	=	1.493
3.	960	+	951	=	1.911
4.	906	+	617	=	1.523
5.	244	+	221	=	465
6.	493	+	376	=	869
7.	477	+	278	=	755
8.	496	+	440	=	936
9.	872	+	604	=	1.476
10.	801	+	342	=	1.143

Oefening 2
1.	766	+	227	=	993
2.	526	+	448	=	974
3.	686	+	631	=	1.317
4.	824	+	450	=	1.274
5.	542	+	285	=	827
6.	358	+	223	=	581
7.	910	+	288	=	1.198
8.	514	+	498	=	1.012
9.	976	+	613	=	1.589
10.	405	+	288	=	693

Oefening 3
1.	963	+	711	=	1.674
2.	768	+	233	=	1.001
3.	696	+	583	=	1.279
4.	671	+	369	=	1.040
5.	486	+	344	=	830
6.	867	+	751	=	1.618
7.	581	+	406	=	987
8.	666	+	316	=	982
9.	724	+	645	=	1.369
10.	815	+	398	=	1.213

Oefening 4
1.	813	+	397	=	1.210
2.	675	+	517	=	1.192
3.	975	+	669	=	1.644
4.	639	+	597	=	1.236
5.	694	+	206	=	900
6.	979	+	671	=	1.650
7.	659	+	223	=	882
8.	936	+	724	=	1.660
9.	733	+	629	=	1.362
10.	949	+	812	=	1.761