Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	873	+		=	1.378
2.	984	+		=	1.539
3.	981	+		=	1.247
4.	476	+		=	864
5.	934	+		=	1.644
6.	574	+		=	849
7.	400	+		=	611
8.	331	+		=	546
9.	569	+		=	807
10.	415	+		=	636

Oefening 2
1.	460	+		=	772
2.	853	+		=	1.215
3.	888	+		=	1.424
4.	899	+		=	1.772
5.	909	+		=	1.496
6.	679	+		=	1.252
7.	837	+		=	1.567
8.	722	+		=	928
9.	453	+		=	755
10.	448	+		=	873

Oefening 3
1.	556	+		=	807
2.	672	+		=	1.272
3.	705	+		=	1.112
4.	934	+		=	1.260
5.	827	+		=	1.525
6.	941	+		=	1.624
7.	467	+		=	682
8.	822	+		=	1.227
9.	710	+		=	1.384
10.	906	+		=	1.561

Oefening 4
1.	892	+		=	1.310
2.	932	+		=	1.759
3.	854	+		=	1.182
4.	555	+		=	780
5.	755	+		=	1.258
6.	898	+		=	1.226
7.	910	+		=	1.407
8.	843	+		=	1.473
9.	988	+		=	1.879
10.	922	+		=	1.356

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	873	+	505	=	1.378
2.	984	+	555	=	1.539
3.	981	+	266	=	1.247
4.	476	+	388	=	864
5.	934	+	710	=	1.644
6.	574	+	275	=	849
7.	400	+	211	=	611
8.	331	+	215	=	546
9.	569	+	238	=	807
10.	415	+	221	=	636

Oefening 2
1.	460	+	312	=	772
2.	853	+	362	=	1.215
3.	888	+	536	=	1.424
4.	899	+	873	=	1.772
5.	909	+	587	=	1.496
6.	679	+	573	=	1.252
7.	837	+	730	=	1.567
8.	722	+	206	=	928
9.	453	+	302	=	755
10.	448	+	425	=	873

Oefening 3
1.	556	+	251	=	807
2.	672	+	600	=	1.272
3.	705	+	407	=	1.112
4.	934	+	326	=	1.260
5.	827	+	698	=	1.525
6.	941	+	683	=	1.624
7.	467	+	215	=	682
8.	822	+	405	=	1.227
9.	710	+	674	=	1.384
10.	906	+	655	=	1.561

Oefening 4
1.	892	+	418	=	1.310
2.	932	+	827	=	1.759
3.	854	+	328	=	1.182
4.	555	+	225	=	780
5.	755	+	503	=	1.258
6.	898	+	328	=	1.226
7.	910	+	497	=	1.407
8.	843	+	630	=	1.473
9.	988	+	891	=	1.879
10.	922	+	434	=	1.356