Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	53	+		=	77
2.	48	+		=	88
3.	95	+		=	155
4.	68	+		=	106
5.	30	+		=	51
6.	93	+		=	115
7.	71	+		=	129
8.	77	+		=	126
9.	73	+		=	129
10.	39	+		=	64

Oefening 2
1.	74	+		=	112
2.	76	+		=	107
3.	92	+		=	153
4.	78	+		=	108
5.	63	+		=	88
6.	74	+		=	123
7.	51	+		=	77
8.	71	+		=	127
9.	24	+		=	47
10.	56	+		=	78

Oefening 3
1.	79	+		=	139
2.	62	+		=	124
3.	49	+		=	73
4.	78	+		=	131
5.	65	+		=	102
6.	85	+		=	147
7.	92	+		=	150
8.	92	+		=	121
9.	70	+		=	109
10.	63	+		=	101

Oefening 4
1.	100	+		=	132
2.	90	+		=	121
3.	100	+		=	195
4.	91	+		=	180
5.	76	+		=	117
6.	60	+		=	112
7.	62	+		=	110
8.	61	+		=	106
9.	50	+		=	99
10.	89	+		=	151

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	53	+	24	=	77
2.	48	+	40	=	88
3.	95	+	60	=	155
4.	68	+	38	=	106
5.	30	+	21	=	51
6.	93	+	22	=	115
7.	71	+	58	=	129
8.	77	+	49	=	126
9.	73	+	56	=	129
10.	39	+	25	=	64

Oefening 2
1.	74	+	38	=	112
2.	76	+	31	=	107
3.	92	+	61	=	153
4.	78	+	30	=	108
5.	63	+	25	=	88
6.	74	+	49	=	123
7.	51	+	26	=	77
8.	71	+	56	=	127
9.	24	+	23	=	47
10.	56	+	22	=	78

Oefening 3
1.	79	+	60	=	139
2.	62	+	62	=	124
3.	49	+	24	=	73
4.	78	+	53	=	131
5.	65	+	37	=	102
6.	85	+	62	=	147
7.	92	+	58	=	150
8.	92	+	29	=	121
9.	70	+	39	=	109
10.	63	+	38	=	101

Oefening 4
1.	100	+	32	=	132
2.	90	+	31	=	121
3.	100	+	95	=	195
4.	91	+	89	=	180
5.	76	+	41	=	117
6.	60	+	52	=	112
7.	62	+	48	=	110
8.	61	+	45	=	106
9.	50	+	49	=	99
10.	89	+	62	=	151