Question

tính bằng cách thuận tiện 

1/2 +1/4 +1/8 +1/16 +1/32

 

Answer 1

1/2+1/4+1/8+1/16+1/32

=1-1/2+1/2-1/4+1/4-1/8+1/8-1/16+1/16-1/32

=1-1/32

=31/32

Answer 2

=31/32 nha

Answer 3

   1/2 + 1/4 + 1/8 + 1/16 + 1/32

= 1x16/2x16 + 1x8/4x8 + 1x4/8x4 + 1x2/16x2 + 1/32

= 16/32 + 8/32 + 4/32 + 2/32 + 1/32

= 16 + 8 + 4 + 2 + 1 /32

= 31/32

Answer 4

ta có :(1/2+1/8)+(1/4+1/16)+1/30=

=5/8+5/16+1/30

=233/240

ko chắc đúng hôm lâu rùi ko học dạng này

Answer 5

1/2 + 1/4 + 1/8 + 1/16 + 1/32

= 1 - 1/2 + 1/2 - 1/4 + 1/4 - 1/8 + 1/8 - 1/16 + 1/16 + 1/32

= 1 - 1/32

= 31/32

Answer 6

=31 phần 32 ủng hộ nha

Answer 7

=31/32

Answer 8

Toán nâng cao lớp 4mà

Answer 9

1/2+1/4+1/8+1/16+1/32

=1-1/2+1/2-1/4+1/4-1/8+1/8-1/16+1/16-1/32

=1-1/32

=31/32

Answer 10

1/2+1/4+1/8+1/16