Page 37 - Matematicas 4

Lunes
13+72 = 27+13 = 53+13 =
15+20+20 =
Martes
27+52 = 73+17 = 73+23 =
12+18 = 18+22 = 22+28 =
32-16 = 32-12 = 32-20 =
72+13 = 57+22 = 75+42 =
6x10 = 6x20 = 6x30 =
45+18 = 18+36 = 36+14 =
28+32 = 32+48 = 48+22 =
65-15 = 50-15 = 75-15 =
34+21 = 34+12 = 34+16 =
7x20 = 7x30 = 7x40 =
73+72 = 72+78 = 78+12= 78+12+10 =
47-13 = 47-17 = 47-15 =
47-15+10 =
Jueves
Miércoles
15+20 = 31+49 = 91+9 = 91+9-9 =
Viernes
5x20 = 5x30 = 5x40 =
5x40x2 =
36