Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	340	+		=	549
2.	663	+		=	1.121
3.	484	+		=	850
4.	666	+		=	1.290
5.	992	+		=	1.612
6.	474	+		=	839
7.	630	+		=	1.252
8.	832	+		=	1.560
9.	888	+		=	1.591
10.	618	+		=	925

Oefening 2
1.	915	+		=	1.387
2.	997	+		=	1.614
3.	792	+		=	1.426
4.	662	+		=	912
5.	699	+		=	983
6.	853	+		=	1.311
7.	899	+		=	1.099
8.	696	+		=	1.169
9.	932	+		=	1.600
10.	890	+		=	1.748

Oefening 3
1.	788	+		=	1.531
2.	776	+		=	1.212
3.	876	+		=	1.556
4.	557	+		=	884
5.	905	+		=	1.397
6.	836	+		=	1.422
7.	654	+		=	1.161
8.	667	+		=	1.247
9.	581	+		=	1.040
10.	769	+		=	1.013

Oefening 4
1.	473	+		=	728
2.	845	+		=	1.465
3.	615	+		=	903
4.	865	+		=	1.601
5.	443	+		=	879
6.	944	+		=	1.753
7.	871	+		=	1.161
8.	551	+		=	906
9.	600	+		=	1.151
10.	535	+		=	799

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	340	+	209	=	549
2.	663	+	458	=	1.121
3.	484	+	366	=	850
4.	666	+	624	=	1.290
5.	992	+	620	=	1.612
6.	474	+	365	=	839
7.	630	+	622	=	1.252
8.	832	+	728	=	1.560
9.	888	+	703	=	1.591
10.	618	+	307	=	925

Oefening 2
1.	915	+	472	=	1.387
2.	997	+	617	=	1.614
3.	792	+	634	=	1.426
4.	662	+	250	=	912
5.	699	+	284	=	983
6.	853	+	458	=	1.311
7.	899	+	200	=	1.099
8.	696	+	473	=	1.169
9.	932	+	668	=	1.600
10.	890	+	858	=	1.748

Oefening 3
1.	788	+	743	=	1.531
2.	776	+	436	=	1.212
3.	876	+	680	=	1.556
4.	557	+	327	=	884
5.	905	+	492	=	1.397
6.	836	+	586	=	1.422
7.	654	+	507	=	1.161
8.	667	+	580	=	1.247
9.	581	+	459	=	1.040
10.	769	+	244	=	1.013

Oefening 4
1.	473	+	255	=	728
2.	845	+	620	=	1.465
3.	615	+	288	=	903
4.	865	+	736	=	1.601
5.	443	+	436	=	879
6.	944	+	809	=	1.753
7.	871	+	290	=	1.161
8.	551	+	355	=	906
9.	600	+	551	=	1.151
10.	535	+	264	=	799