Question

Tính hợp lý nếu có thể 

47. 52+47.49-47

Answer 1

47.52 + 47.49 - 47

= 47( 52 + 49 - 1 )

= 47.100

= 4700

Answer 2

47.52+47.49-47

=47.(52+49-1)

=47x100

=4700

nha

k mk nha

Answer 3

47 . 52 + 47 . 49 - 47

= 47 . ( 52 + 49 - 1 )

= 47 . 100

= 4700

Answer 4

47 x 52 + 47 x 49 - 47 = 47 x 52 + 47 x 49 - 47 x 1

                                    = 47 x (52 + 49 - 1)

                                    = 47 x 100

                                     = 4700

K MK NHA MINA ! ARIGATOU MINA - SAN !

Answer 5

47x 52 + 47 x49 -47

= 47 x (52 + 49)

= 47 x 101

= 4747nha bn

mik nha

Answer 6

47 . 52 + 47 . 49 - 47

= 47 . ( 52 + 49 - 1 )

= 47 . 100

= 4700

Answer 7

47 . 52 + 47 . 49 ‐ 47
= 47 . ﴾ 52 + 49 ‐ 1 ﴿
= 47 . 100
= 4700

Answer 8

 47 . 52 + 47 . 49 - 47

= 47 . ( 52 + 49 - 1 )

= 47 . 100

=  4700