¡Hola!
Vamos a corregir las actividades
de ayer:
1.
13 + 5 = 5 + 13
= 18
|
17 + 6 = 6 + 17
=23
|
4 + 19 = 19 + 4
=23
|
20 + 15 = 15 + 20
= 35
|
30 + 26= 26 + 30
=56
|
45 + 40 = 40 + 45
=85
|
2.
(3 +7) + 6 = 3 + (7+6)
=16
|
(6+8)+5 = 6 + (8+5)
=19
|
(4+8)+9 = 4 + (8 + 9)
=21
|
(7+9)+2 = 7 + (9+2)
=18
|
3. (12+10)
+ 14 = 12 + (10 + 14) = 36 Solución: Hay 36 flores.
4.
1.251.755
|
1.557.065
|
1.357.065
|
91.632
|
172.019
|
57.358
|
5.
908.368 + 91.632
= 1.000.000
|
684.326 +172.019
=
856.345
|
34.987 + 57.358 =
92.345
|
6. a) =39
b) = 82
c)= 53
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