Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	378	+		=	625
2.	944	+		=	1.365
3.	864	+		=	1.396
4.	728	+		=	1.282
5.	741	+		=	959
6.	958	+		=	1.861
7.	778	+		=	1.467
8.	516	+		=	718
9.	995	+		=	1.248
10.	365	+		=	687

Oefening 2
1.	367	+		=	657
2.	665	+		=	1.162
3.	839	+		=	1.662
4.	994	+		=	1.357
5.	769	+		=	1.510
6.	853	+		=	1.165
7.	991	+		=	1.507
8.	984	+		=	1.275
9.	944	+		=	1.186
10.	766	+		=	978

Oefening 3
1.	869	+		=	1.419
2.	692	+		=	1.384
3.	554	+		=	923
4.	480	+		=	841
5.	683	+		=	1.272
6.	647	+		=	1.214
7.	906	+		=	1.475
8.	947	+		=	1.483
9.	468	+		=	751
10.	841	+		=	1.402

Oefening 4
1.	793	+		=	996
2.	930	+		=	1.754
3.	829	+		=	1.193
4.	890	+		=	1.402
5.	530	+		=	978
6.	577	+		=	908
7.	522	+		=	1.000
8.	458	+		=	838
9.	790	+		=	1.307
10.	698	+		=	1.394

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	378	+	247	=	625
2.	944	+	421	=	1.365
3.	864	+	532	=	1.396
4.	728	+	554	=	1.282
5.	741	+	218	=	959
6.	958	+	903	=	1.861
7.	778	+	689	=	1.467
8.	516	+	202	=	718
9.	995	+	253	=	1.248
10.	365	+	322	=	687

Oefening 2
1.	367	+	290	=	657
2.	665	+	497	=	1.162
3.	839	+	823	=	1.662
4.	994	+	363	=	1.357
5.	769	+	741	=	1.510
6.	853	+	312	=	1.165
7.	991	+	516	=	1.507
8.	984	+	291	=	1.275
9.	944	+	242	=	1.186
10.	766	+	212	=	978

Oefening 3
1.	869	+	550	=	1.419
2.	692	+	692	=	1.384
3.	554	+	369	=	923
4.	480	+	361	=	841
5.	683	+	589	=	1.272
6.	647	+	567	=	1.214
7.	906	+	569	=	1.475
8.	947	+	536	=	1.483
9.	468	+	283	=	751
10.	841	+	561	=	1.402

Oefening 4
1.	793	+	203	=	996
2.	930	+	824	=	1.754
3.	829	+	364	=	1.193
4.	890	+	512	=	1.402
5.	530	+	448	=	978
6.	577	+	331	=	908
7.	522	+	478	=	1.000
8.	458	+	380	=	838
9.	790	+	517	=	1.307
10.	698	+	696	=	1.394