Question

Resuelve mentalmente las siguientes multiplicaciones.
25 X 10 =
320 X 100 =
28 X 10 =
144 X 100 =
10 X 10 =
205 X 10 =
74 X 1000 =

20 X 1000 =
10 X 100 =
124 X 100 =
309 X 100 =
100 X 19 =
1000 X 26 =
70 X 10 =

100 X 600 =
400 X 100 =
909 X 10 =
706 X 100 =
100 X 100 =
100 X 289 =
1000 X 1000 =

Answer 1

Respuesta:

250

32000

280

14400

100

2050

74000

20000

1000

12400

30900

1900

26000

700

60000

40000

9090

70600

10000

28900

1000000