Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	587	+		=	828
2.	927	+		=	1.574
3.	391	+		=	699
4.	812	+		=	1.032
5.	847	+		=	1.352
6.	874	+		=	1.190
7.	922	+		=	1.405
8.	592	+		=	1.059
9.	998	+		=	1.961
10.	969	+		=	1.834

Oefening 2
1.	307	+		=	521
2.	886	+		=	1.119
3.	873	+		=	1.209
4.	503	+		=	984
5.	993	+		=	1.421
6.	963	+		=	1.438
7.	790	+		=	1.543
8.	575	+		=	863
9.	925	+		=	1.463
10.	747	+		=	1.402

Oefening 3
1.	858	+		=	1.387
2.	408	+		=	644
3.	855	+		=	1.526
4.	913	+		=	1.447
5.	853	+		=	1.333
6.	776	+		=	1.365
7.	921	+		=	1.725
8.	690	+		=	957
9.	708	+		=	1.244
10.	950	+		=	1.572

Oefening 4
1.	537	+		=	791
2.	627	+		=	1.182
3.	722	+		=	1.180
4.	725	+		=	1.160
5.	950	+		=	1.456
6.	856	+		=	1.195
7.	477	+		=	812
8.	853	+		=	1.555
9.	805	+		=	1.245
10.	769	+		=	1.180

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	587	+	241	=	828
2.	927	+	647	=	1.574
3.	391	+	308	=	699
4.	812	+	220	=	1.032
5.	847	+	505	=	1.352
6.	874	+	316	=	1.190
7.	922	+	483	=	1.405
8.	592	+	467	=	1.059
9.	998	+	963	=	1.961
10.	969	+	865	=	1.834

Oefening 2
1.	307	+	214	=	521
2.	886	+	233	=	1.119
3.	873	+	336	=	1.209
4.	503	+	481	=	984
5.	993	+	428	=	1.421
6.	963	+	475	=	1.438
7.	790	+	753	=	1.543
8.	575	+	288	=	863
9.	925	+	538	=	1.463
10.	747	+	655	=	1.402

Oefening 3
1.	858	+	529	=	1.387
2.	408	+	236	=	644
3.	855	+	671	=	1.526
4.	913	+	534	=	1.447
5.	853	+	480	=	1.333
6.	776	+	589	=	1.365
7.	921	+	804	=	1.725
8.	690	+	267	=	957
9.	708	+	536	=	1.244
10.	950	+	622	=	1.572

Oefening 4
1.	537	+	254	=	791
2.	627	+	555	=	1.182
3.	722	+	458	=	1.180
4.	725	+	435	=	1.160
5.	950	+	506	=	1.456
6.	856	+	339	=	1.195
7.	477	+	335	=	812
8.	853	+	702	=	1.555
9.	805	+	440	=	1.245
10.	769	+	411	=	1.180