Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	806	+		=	1.451
2.	929	+		=	1.279
3.	975	+		=	1.375
4.	975	+		=	1.801
5.	611	+		=	839
6.	957	+		=	1.319
7.	439	+		=	849
8.	478	+		=	696
9.	792	+		=	1.152
10.	999	+		=	1.264

Oefening 2
1.	532	+		=	772
2.	983	+		=	1.935
3.	504	+		=	824
4.	694	+		=	931
5.	904	+		=	1.315
6.	865	+		=	1.233
7.	470	+		=	905
8.	870	+		=	1.677
9.	657	+		=	1.136
10.	747	+		=	1.232

Oefening 3
1.	709	+		=	912
2.	659	+		=	1.048
3.	534	+		=	887
4.	787	+		=	1.548
5.	931	+		=	1.586
6.	926	+		=	1.597
7.	731	+		=	1.411
8.	657	+		=	1.060
9.	328	+		=	583
10.	267	+		=	471

Oefening 4
1.	871	+		=	1.642
2.	667	+		=	1.157
3.	620	+		=	1.096
4.	981	+		=	1.560
5.	366	+		=	633
6.	994	+		=	1.286
7.	387	+		=	604
8.	441	+		=	757
9.	929	+		=	1.538
10.	504	+		=	905

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	806	+	645	=	1.451
2.	929	+	350	=	1.279
3.	975	+	400	=	1.375
4.	975	+	826	=	1.801
5.	611	+	228	=	839
6.	957	+	362	=	1.319
7.	439	+	410	=	849
8.	478	+	218	=	696
9.	792	+	360	=	1.152
10.	999	+	265	=	1.264

Oefening 2
1.	532	+	240	=	772
2.	983	+	952	=	1.935
3.	504	+	320	=	824
4.	694	+	237	=	931
5.	904	+	411	=	1.315
6.	865	+	368	=	1.233
7.	470	+	435	=	905
8.	870	+	807	=	1.677
9.	657	+	479	=	1.136
10.	747	+	485	=	1.232

Oefening 3
1.	709	+	203	=	912
2.	659	+	389	=	1.048
3.	534	+	353	=	887
4.	787	+	761	=	1.548
5.	931	+	655	=	1.586
6.	926	+	671	=	1.597
7.	731	+	680	=	1.411
8.	657	+	403	=	1.060
9.	328	+	255	=	583
10.	267	+	204	=	471

Oefening 4
1.	871	+	771	=	1.642
2.	667	+	490	=	1.157
3.	620	+	476	=	1.096
4.	981	+	579	=	1.560
5.	366	+	267	=	633
6.	994	+	292	=	1.286
7.	387	+	217	=	604
8.	441	+	316	=	757
9.	929	+	609	=	1.538
10.	504	+	401	=	905