Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	375	+		=	540
2.	434	+		=	673
3.	250	+		=	366
4.	403	+		=	704
5.	358	+		=	666
6.	389	+		=	571
7.	289	+		=	511
8.	472	+		=	613
9.	318	+		=	427
10.	283	+		=	500

Oefening 2
1.	441	+		=	557
2.	416	+		=	594
3.	375	+		=	542
4.	441	+		=	623
5.	339	+		=	547
6.	340	+		=	448
7.	489	+		=	682
8.	435	+		=	660
9.	476	+		=	657
10.	462	+		=	638

Oefening 3
1.	373	+		=	525
2.	315	+		=	594
3.	385	+		=	648
4.	466	+		=	875
5.	388	+		=	627
6.	397	+		=	633
7.	158	+		=	303
8.	320	+		=	551
9.	481	+		=	870
10.	470	+		=	922

Oefening 4
1.	239	+		=	367
2.	403	+		=	659
3.	215	+		=	344
4.	205	+		=	310
5.	250	+		=	400
6.	295	+		=	472
7.	372	+		=	654
8.	249	+		=	451
9.	499	+		=	701
10.	432	+		=	657

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	375	+	165	=	540
2.	434	+	239	=	673
3.	250	+	116	=	366
4.	403	+	301	=	704
5.	358	+	308	=	666
6.	389	+	182	=	571
7.	289	+	222	=	511
8.	472	+	141	=	613
9.	318	+	109	=	427
10.	283	+	217	=	500

Oefening 2
1.	441	+	116	=	557
2.	416	+	178	=	594
3.	375	+	167	=	542
4.	441	+	182	=	623
5.	339	+	208	=	547
6.	340	+	108	=	448
7.	489	+	193	=	682
8.	435	+	225	=	660
9.	476	+	181	=	657
10.	462	+	176	=	638

Oefening 3
1.	373	+	152	=	525
2.	315	+	279	=	594
3.	385	+	263	=	648
4.	466	+	409	=	875
5.	388	+	239	=	627
6.	397	+	236	=	633
7.	158	+	145	=	303
8.	320	+	231	=	551
9.	481	+	389	=	870
10.	470	+	452	=	922

Oefening 4
1.	239	+	128	=	367
2.	403	+	256	=	659
3.	215	+	129	=	344
4.	205	+	105	=	310
5.	250	+	150	=	400
6.	295	+	177	=	472
7.	372	+	282	=	654
8.	249	+	202	=	451
9.	499	+	202	=	701
10.	432	+	225	=	657