Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	400	+		=	546
2.	285	+		=	414
3.	413	+		=	672
4.	445	+		=	750
5.	395	+		=	689
6.	370	+		=	490
7.	429	+		=	585
8.	305	+		=	599
9.	289	+		=	557
10.	220	+		=	378

Oefening 2
1.	384	+		=	507
2.	450	+		=	613
3.	383	+		=	506
4.	434	+		=	741
5.	308	+		=	427
6.	478	+		=	914
7.	250	+		=	404
8.	316	+		=	604
9.	307	+		=	428
10.	236	+		=	365

Oefening 3
1.	300	+		=	470
2.	196	+		=	298
3.	295	+		=	404
4.	365	+		=	570
5.	495	+		=	836
6.	342	+		=	544
7.	381	+		=	759
8.	500	+		=	804
9.	378	+		=	519
10.	326	+		=	444

Oefening 4
1.	204	+		=	401
2.	209	+		=	310
3.	401	+		=	534
4.	347	+		=	602
5.	349	+		=	503
6.	472	+		=	892
7.	265	+		=	377
8.	431	+		=	850
9.	249	+		=	381
10.	449	+		=	850

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	400	+	146	=	546
2.	285	+	129	=	414
3.	413	+	259	=	672
4.	445	+	305	=	750
5.	395	+	294	=	689
6.	370	+	120	=	490
7.	429	+	156	=	585
8.	305	+	294	=	599
9.	289	+	268	=	557
10.	220	+	158	=	378

Oefening 2
1.	384	+	123	=	507
2.	450	+	163	=	613
3.	383	+	123	=	506
4.	434	+	307	=	741
5.	308	+	119	=	427
6.	478	+	436	=	914
7.	250	+	154	=	404
8.	316	+	288	=	604
9.	307	+	121	=	428
10.	236	+	129	=	365

Oefening 3
1.	300	+	170	=	470
2.	196	+	102	=	298
3.	295	+	109	=	404
4.	365	+	205	=	570
5.	495	+	341	=	836
6.	342	+	202	=	544
7.	381	+	378	=	759
8.	500	+	304	=	804
9.	378	+	141	=	519
10.	326	+	118	=	444

Oefening 4
1.	204	+	197	=	401
2.	209	+	101	=	310
3.	401	+	133	=	534
4.	347	+	255	=	602
5.	349	+	154	=	503
6.	472	+	420	=	892
7.	265	+	112	=	377
8.	431	+	419	=	850
9.	249	+	132	=	381
10.	449	+	401	=	850