Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	578	+		=	957
2.	795	+		=	1.418
3.	296	+		=	552
4.	404	+		=	796
5.	686	+		=	1.143
6.	884	+		=	1.402
7.	817	+		=	1.357
8.	554	+		=	893
9.	788	+		=	1.088
10.	798	+		=	1.520

Oefening 2
1.	891	+		=	1.681
2.	955	+		=	1.740
3.	951	+		=	1.543
4.	654	+		=	1.217
5.	986	+		=	1.876
6.	407	+		=	727
7.	662	+		=	1.179
8.	324	+		=	618
9.	962	+		=	1.804
10.	650	+		=	1.089

Oefening 3
1.	934	+		=	1.601
2.	730	+		=	1.154
3.	908	+		=	1.784
4.	955	+		=	1.442
5.	844	+		=	1.051
6.	784	+		=	1.129
7.	959	+		=	1.543
8.	983	+		=	1.285
9.	817	+		=	1.175
10.	912	+		=	1.437

Oefening 4
1.	463	+		=	763
2.	633	+		=	1.090
3.	816	+		=	1.526
4.	887	+		=	1.659
5.	828	+		=	1.116
6.	781	+		=	1.295
7.	593	+		=	943
8.	845	+		=	1.598
9.	940	+		=	1.330
10.	631	+		=	1.019

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	578	+	379	=	957
2.	795	+	623	=	1.418
3.	296	+	256	=	552
4.	404	+	392	=	796
5.	686	+	457	=	1.143
6.	884	+	518	=	1.402
7.	817	+	540	=	1.357
8.	554	+	339	=	893
9.	788	+	300	=	1.088
10.	798	+	722	=	1.520

Oefening 2
1.	891	+	790	=	1.681
2.	955	+	785	=	1.740
3.	951	+	592	=	1.543
4.	654	+	563	=	1.217
5.	986	+	890	=	1.876
6.	407	+	320	=	727
7.	662	+	517	=	1.179
8.	324	+	294	=	618
9.	962	+	842	=	1.804
10.	650	+	439	=	1.089

Oefening 3
1.	934	+	667	=	1.601
2.	730	+	424	=	1.154
3.	908	+	876	=	1.784
4.	955	+	487	=	1.442
5.	844	+	207	=	1.051
6.	784	+	345	=	1.129
7.	959	+	584	=	1.543
8.	983	+	302	=	1.285
9.	817	+	358	=	1.175
10.	912	+	525	=	1.437

Oefening 4
1.	463	+	300	=	763
2.	633	+	457	=	1.090
3.	816	+	710	=	1.526
4.	887	+	772	=	1.659
5.	828	+	288	=	1.116
6.	781	+	514	=	1.295
7.	593	+	350	=	943
8.	845	+	753	=	1.598
9.	940	+	390	=	1.330
10.	631	+	388	=	1.019