Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	531	+		=	862
2.	967	+		=	1.630
3.	522	+		=	790
4.	622	+		=	1.208
5.	813	+		=	1.246
6.	698	+		=	1.342
7.	725	+		=	1.215
8.	874	+		=	1.312
9.	943	+		=	1.746
10.	793	+		=	1.348

Oefening 2
1.	952	+		=	1.504
2.	434	+		=	793
3.	878	+		=	1.720
4.	724	+		=	1.126
5.	666	+		=	957
6.	638	+		=	1.017
7.	964	+		=	1.213
8.	959	+		=	1.413
9.	657	+		=	877
10.	530	+		=	1.006

Oefening 3
1.	403	+		=	751
2.	812	+		=	1.268
3.	692	+		=	1.336
4.	843	+		=	1.535
5.	921	+		=	1.713
6.	411	+		=	792
7.	747	+		=	1.437
8.	709	+		=	1.339
9.	939	+		=	1.297
10.	974	+		=	1.645

Oefening 4
1.	945	+		=	1.159
2.	676	+		=	880
3.	528	+		=	851
4.	778	+		=	1.156
5.	398	+		=	684
6.	761	+		=	1.003
7.	766	+		=	1.064
8.	813	+		=	1.310
9.	779	+		=	1.317
10.	813	+		=	1.204

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	531	+	331	=	862
2.	967	+	663	=	1.630
3.	522	+	268	=	790
4.	622	+	586	=	1.208
5.	813	+	433	=	1.246
6.	698	+	644	=	1.342
7.	725	+	490	=	1.215
8.	874	+	438	=	1.312
9.	943	+	803	=	1.746
10.	793	+	555	=	1.348

Oefening 2
1.	952	+	552	=	1.504
2.	434	+	359	=	793
3.	878	+	842	=	1.720
4.	724	+	402	=	1.126
5.	666	+	291	=	957
6.	638	+	379	=	1.017
7.	964	+	249	=	1.213
8.	959	+	454	=	1.413
9.	657	+	220	=	877
10.	530	+	476	=	1.006

Oefening 3
1.	403	+	348	=	751
2.	812	+	456	=	1.268
3.	692	+	644	=	1.336
4.	843	+	692	=	1.535
5.	921	+	792	=	1.713
6.	411	+	381	=	792
7.	747	+	690	=	1.437
8.	709	+	630	=	1.339
9.	939	+	358	=	1.297
10.	974	+	671	=	1.645

Oefening 4
1.	945	+	214	=	1.159
2.	676	+	204	=	880
3.	528	+	323	=	851
4.	778	+	378	=	1.156
5.	398	+	286	=	684
6.	761	+	242	=	1.003
7.	766	+	298	=	1.064
8.	813	+	497	=	1.310
9.	779	+	538	=	1.317
10.	813	+	391	=	1.204