Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	931	+		=	1.169
2.	853	+		=	1.606
3.	902	+		=	1.597
4.	512	+		=	844
5.	862	+		=	1.528
6.	912	+		=	1.740
7.	877	+		=	1.677
8.	964	+		=	1.748
9.	824	+		=	1.350
10.	919	+		=	1.145

Oefening 2
1.	564	+		=	1.028
2.	505	+		=	939
3.	809	+		=	1.166
4.	699	+		=	1.317
5.	378	+		=	595
6.	690	+		=	974
7.	749	+		=	1.421
8.	687	+		=	1.241
9.	906	+		=	1.410
10.	974	+		=	1.697

Oefening 3
1.	701	+		=	928
2.	731	+		=	1.082
3.	500	+		=	900
4.	990	+		=	1.796
5.	820	+		=	1.588
6.	386	+		=	636
7.	860	+		=	1.689
8.	369	+		=	649
9.	603	+		=	1.167
10.	700	+		=	1.317

Oefening 4
1.	941	+		=	1.735
2.	932	+		=	1.415
3.	552	+		=	822
4.	689	+		=	903
5.	618	+		=	1.143
6.	804	+		=	1.216
7.	743	+		=	1.449
8.	641	+		=	906
9.	853	+		=	1.390
10.	752	+		=	1.501

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	931	+	238	=	1.169
2.	853	+	753	=	1.606
3.	902	+	695	=	1.597
4.	512	+	332	=	844
5.	862	+	666	=	1.528
6.	912	+	828	=	1.740
7.	877	+	800	=	1.677
8.	964	+	784	=	1.748
9.	824	+	526	=	1.350
10.	919	+	226	=	1.145

Oefening 2
1.	564	+	464	=	1.028
2.	505	+	434	=	939
3.	809	+	357	=	1.166
4.	699	+	618	=	1.317
5.	378	+	217	=	595
6.	690	+	284	=	974
7.	749	+	672	=	1.421
8.	687	+	554	=	1.241
9.	906	+	504	=	1.410
10.	974	+	723	=	1.697

Oefening 3
1.	701	+	227	=	928
2.	731	+	351	=	1.082
3.	500	+	400	=	900
4.	990	+	806	=	1.796
5.	820	+	768	=	1.588
6.	386	+	250	=	636
7.	860	+	829	=	1.689
8.	369	+	280	=	649
9.	603	+	564	=	1.167
10.	700	+	617	=	1.317

Oefening 4
1.	941	+	794	=	1.735
2.	932	+	483	=	1.415
3.	552	+	270	=	822
4.	689	+	214	=	903
5.	618	+	525	=	1.143
6.	804	+	412	=	1.216
7.	743	+	706	=	1.449
8.	641	+	265	=	906
9.	853	+	537	=	1.390
10.	752	+	749	=	1.501