( 12345 + 12345 + 12345 + 12345 ) x 10 =
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
Tính bằng cách thuận tiện nhất: 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 + 35 + 24 )
12345 x 99
1222155
= 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 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
/HT\
Tính nhanh:
12345 x 22 + 12345 x 38 + 12345 x 25 + 12345 x 15
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 bằng cách thuận tiện nhất: a/12345 x 3 + 12345 x 2 +12345 +12345 x 4
= 12345 x ( 3 + 2 + 4 )
= 12345 x 10
=123450
A = 12345 x 3 + 12345 x 2 + 12345 + 12345 x 4
A = 12345 x 3 + 12345 x 2 + 12345 x 1 + 12345 x 4
A = 12345 x (3 + 2 + 1 + 4)
A = 12345 x 10
A = 123450
12345 x 3 + 12345 x 2 + 12345 x1 +12345 x 4
12345 x ( 3+ 2 + 1 + 4 )
12345 x 10
123450
Tinh nhanh
12345 x 17 + 23 x 12345 + 12345 + 12345 x 35 + 12345 x 24 = .......
giup em nha anh chi em se tick
=1234500
HT[][][][]
= 1234500 mha bn > <
12345 x ( 17 + 23 + 1 + 35 + 24 )
= 12345 x 100
= 1234500
HT + :)))
~~~~~~