Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	949	+		=	1.227
2.	720	+		=	1.438
3.	641	+		=	1.071
4.	789	+		=	1.273
5.	955	+		=	1.848
6.	504	+		=	933
7.	942	+		=	1.735
8.	848	+		=	1.472
9.	725	+		=	1.058
10.	820	+		=	1.411

Oefening 2
1.	843	+		=	1.319
2.	980	+		=	1.841
3.	888	+		=	1.172
4.	719	+		=	1.180
5.	833	+		=	1.333
6.	925	+		=	1.285
7.	778	+		=	1.309
8.	896	+		=	1.473
9.	902	+		=	1.613
10.	768	+		=	1.049

Oefening 3
1.	826	+		=	1.050
2.	578	+		=	941
3.	940	+		=	1.791
4.	606	+		=	1.073
5.	932	+		=	1.482
6.	452	+		=	660
7.	782	+		=	1.206
8.	883	+		=	1.109
9.	355	+		=	559
10.	947	+		=	1.438

Oefening 4
1.	668	+		=	1.271
2.	627	+		=	981
3.	934	+		=	1.661
4.	811	+		=	1.407
5.	767	+		=	1.526
6.	632	+		=	833
7.	890	+		=	1.477
8.	581	+		=	896
9.	791	+		=	1.107
10.	830	+		=	1.244

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	949	+	278	=	1.227
2.	720	+	718	=	1.438
3.	641	+	430	=	1.071
4.	789	+	484	=	1.273
5.	955	+	893	=	1.848
6.	504	+	429	=	933
7.	942	+	793	=	1.735
8.	848	+	624	=	1.472
9.	725	+	333	=	1.058
10.	820	+	591	=	1.411

Oefening 2
1.	843	+	476	=	1.319
2.	980	+	861	=	1.841
3.	888	+	284	=	1.172
4.	719	+	461	=	1.180
5.	833	+	500	=	1.333
6.	925	+	360	=	1.285
7.	778	+	531	=	1.309
8.	896	+	577	=	1.473
9.	902	+	711	=	1.613
10.	768	+	281	=	1.049

Oefening 3
1.	826	+	224	=	1.050
2.	578	+	363	=	941
3.	940	+	851	=	1.791
4.	606	+	467	=	1.073
5.	932	+	550	=	1.482
6.	452	+	208	=	660
7.	782	+	424	=	1.206
8.	883	+	226	=	1.109
9.	355	+	204	=	559
10.	947	+	491	=	1.438

Oefening 4
1.	668	+	603	=	1.271
2.	627	+	354	=	981
3.	934	+	727	=	1.661
4.	811	+	596	=	1.407
5.	767	+	759	=	1.526
6.	632	+	201	=	833
7.	890	+	587	=	1.477
8.	581	+	315	=	896
9.	791	+	316	=	1.107
10.	830	+	414	=	1.244