Question

tính

a. -3/4 x 12/-5 x (-25/6)

b. -2 x -38/21 x -7/4 x (-3/8)

c. (11/12: 33/16) x 3/5

d. 7/23 x [(-8/6)- 45/18]

Answer 1

a. -3/4 x 12/-5 x (-25/6)=-15/2

b. -2 x -38/21 x -7/4 x (-3/8)=-19/8

c. (11/12: 33/16) x 3/5=4/15

d. 7/23 x [(-8/6)- 45/18]=-7/6

Answer 2

a. -3/4 x 12/-5 x (-25/6)=-15/2

b. -2 x -38/21 x -7/4 x (-3/8)=-19/8

c. (11/12: 33/16) x 3/5=4/15

d. 7/23 x [(-8/6)- 45/18]=-7/6