Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	486	+		=	819
2.	432	+		=	657
3.	953	+		=	1.412
4.	901	+		=	1.414
5.	603	+		=	1.013
6.	569	+		=	1.036
7.	745	+		=	957
8.	965	+		=	1.314
9.	476	+		=	822
10.	614	+		=	1.043

Oefening 2
1.	636	+		=	923
2.	658	+		=	1.046
3.	896	+		=	1.447
4.	999	+		=	1.389
5.	972	+		=	1.749
6.	777	+		=	1.497
7.	315	+		=	572
8.	556	+		=	1.081
9.	837	+		=	1.240
10.	824	+		=	1.337

Oefening 3
1.	307	+		=	554
2.	899	+		=	1.519
3.	899	+		=	1.616
4.	305	+		=	521
5.	912	+		=	1.427
6.	964	+		=	1.303
7.	342	+		=	572
8.	984	+		=	1.385
9.	926	+		=	1.600
10.	828	+		=	1.490

Oefening 4
1.	605	+		=	1.081
2.	290	+		=	499
3.	940	+		=	1.351
4.	920	+		=	1.445
5.	816	+		=	1.075
6.	928	+		=	1.151
7.	966	+		=	1.342
8.	792	+		=	1.544
9.	939	+		=	1.170
10.	424	+		=	738

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	486	+	333	=	819
2.	432	+	225	=	657
3.	953	+	459	=	1.412
4.	901	+	513	=	1.414
5.	603	+	410	=	1.013
6.	569	+	467	=	1.036
7.	745	+	212	=	957
8.	965	+	349	=	1.314
9.	476	+	346	=	822
10.	614	+	429	=	1.043

Oefening 2
1.	636	+	287	=	923
2.	658	+	388	=	1.046
3.	896	+	551	=	1.447
4.	999	+	390	=	1.389
5.	972	+	777	=	1.749
6.	777	+	720	=	1.497
7.	315	+	257	=	572
8.	556	+	525	=	1.081
9.	837	+	403	=	1.240
10.	824	+	513	=	1.337

Oefening 3
1.	307	+	247	=	554
2.	899	+	620	=	1.519
3.	899	+	717	=	1.616
4.	305	+	216	=	521
5.	912	+	515	=	1.427
6.	964	+	339	=	1.303
7.	342	+	230	=	572
8.	984	+	401	=	1.385
9.	926	+	674	=	1.600
10.	828	+	662	=	1.490

Oefening 4
1.	605	+	476	=	1.081
2.	290	+	209	=	499
3.	940	+	411	=	1.351
4.	920	+	525	=	1.445
5.	816	+	259	=	1.075
6.	928	+	223	=	1.151
7.	966	+	376	=	1.342
8.	792	+	752	=	1.544
9.	939	+	231	=	1.170
10.	424	+	314	=	738