Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	450	+		=	797
2.	727	+		=	1.359
3.	588	+		=	801
4.	595	+		=	1.160
5.	597	+		=	800
6.	909	+		=	1.463
7.	930	+		=	1.526
8.	605	+		=	1.188
9.	567	+		=	844
10.	422	+		=	820

Oefening 2
1.	878	+		=	1.255
2.	371	+		=	653
3.	852	+		=	1.213
4.	738	+		=	1.250
5.	785	+		=	1.177
6.	968	+		=	1.370
7.	791	+		=	1.339
8.	777	+		=	1.291
9.	850	+		=	1.146
10.	926	+		=	1.731

Oefening 3
1.	620	+		=	1.175
2.	393	+		=	681
3.	548	+		=	822
4.	687	+		=	936
5.	559	+		=	923
6.	445	+		=	745
7.	479	+		=	798
8.	435	+		=	856
9.	914	+		=	1.127
10.	925	+		=	1.317

Oefening 4
1.	806	+		=	1.254
2.	547	+		=	1.030
3.	987	+		=	1.402
4.	749	+		=	1.065
5.	869	+		=	1.546
6.	624	+		=	1.221
7.	954	+		=	1.577
8.	677	+		=	1.290
9.	813	+		=	1.451
10.	590	+		=	1.005

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	450	+	347	=	797
2.	727	+	632	=	1.359
3.	588	+	213	=	801
4.	595	+	565	=	1.160
5.	597	+	203	=	800
6.	909	+	554	=	1.463
7.	930	+	596	=	1.526
8.	605	+	583	=	1.188
9.	567	+	277	=	844
10.	422	+	398	=	820

Oefening 2
1.	878	+	377	=	1.255
2.	371	+	282	=	653
3.	852	+	361	=	1.213
4.	738	+	512	=	1.250
5.	785	+	392	=	1.177
6.	968	+	402	=	1.370
7.	791	+	548	=	1.339
8.	777	+	514	=	1.291
9.	850	+	296	=	1.146
10.	926	+	805	=	1.731

Oefening 3
1.	620	+	555	=	1.175
2.	393	+	288	=	681
3.	548	+	274	=	822
4.	687	+	249	=	936
5.	559	+	364	=	923
6.	445	+	300	=	745
7.	479	+	319	=	798
8.	435	+	421	=	856
9.	914	+	213	=	1.127
10.	925	+	392	=	1.317

Oefening 4
1.	806	+	448	=	1.254
2.	547	+	483	=	1.030
3.	987	+	415	=	1.402
4.	749	+	316	=	1.065
5.	869	+	677	=	1.546
6.	624	+	597	=	1.221
7.	954	+	623	=	1.577
8.	677	+	613	=	1.290
9.	813	+	638	=	1.451
10.	590	+	415	=	1.005