Page 39 - Matematicas 4
P. 39
Lunes
41+7+9 = 68+7+2 = 54+6+7 =
(50-10)+20 =
Martes
33+9+7 = 37+3+5 = 53+7+6= (30+10)+10 =
Miércoles
40-9 = 40-7 = 40-5 =
(70+1)-2 =
Jueves
47+7+3 = 32+9+8 = 23+8+7 =
47+3+8 = 34+4+6 = 56+9+4 =
63-8 = 63+6 = 63+4 =
15-7 = 13-7 = 14-7 =
10-7+3 = 10-9+2 = 10-5+4 =
47+3+5 = 51+6+9 = 22+8+9 =
48+9+2 = 63+8+7 = 43+7+9 =
50-10 = 50-15 = 50-25 =
11-3 = 15-3 = 18-3 =
20-5+4 =
20-8+3 = 20-10+5 =
12-4 = 10-4 = 5-4 = 80-79x0 =
Viernes
155x9x0 =
12-7+5 = 12-6+6 = 12-5+3 =
38
