1x2x3x4x5 x2345x( 12345-12345)x12345 =???
12345 x 12345 x 12345 x 12345 x12345=
bùn wá,có ai kết bn vs mk ko
12345+12345+12345+12345=?
12345+12345+12345+12345=
12345 + 12345 + 12345 + 12345
= 12345 x 4
= 49380
12345+12345+12345+12345=12345x4
=49380nha bạn
k nha
12345+12345+12345+12345=12345x4=49380
Tính nhanh:
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
= 12345 x 17 + 23 x 12345 + 12345 x 1 + 12345 x 35 + 12345 x 24
= 12345 x (17 + 23 + 1 + 35 + 24)
= 12345 x 100
= 1234500
=> 12345 x (17 + 23 + 1 + 35 + 24 )
=> 12345 x 100
=> 1234500
= 12345 x ( 17 + 23 + 24 + 1 + 35 ) = 12345 x 100 = 1234500
Tính nhanh:
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
= 12345 x 17 + 23 x 12345 + 12345 x 1 + 12345 x 35 + 12345 x 24
= 12345 x (17 + 23 + 1 + 35 + 24)
= 12345 x 100
= 1234500
Tính nhanh:
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
= 12345 x 17 + 23 x 12345 + 12345 x 1 + 12345 x 35 + 12345 x 24
= 12345 x (17 + 23 + 1 + 35 + 24)
= 12345 x 100
= 1234500
trường gì đấy
Tính nhanh:
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
= 12345 x 17 + 23 x 12345 + 12345 x 1 + 12345 x 35 + 12345 x 24
= 12345 x (17 + 23 + 1 + 35 + 24)
= 12345 x 100
= 1234500
Tính nhanh:
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24
= 12345 x 17 + 23 x 12345 + 12345 x 1 + 12345 x 35 + 12345 x 24
= 12345 x (17 + 23 + 1 + 35 + 24)
= 12345 x 100
= 1234500
( 12345 + 12345 + 12345 + 12345 ) x 10 =
( 12345 + 12345 + 12345 + 12345 ) . 10
= ( 12345 . 5 ) .10
= 61725 . 10
= 617250