Question

Bài 1:

a, 64 . 23 + 37 . 23 - 23

b, 33,76 + 19,52 + 6,24

c, 38/11 + [ 16/13 + 6/11 ]

d, 3/4 : 3/5 - 1/5

Answer 1

a/=23.(64+37-1)

  =23.100

  =2300

b/=(33,76+6,24)+19,52

  =40+19,52

  =59,52

c/=38/11+16/13+6/11

  =(38/11+6/11) +16/13

  =44/11+16/13

   =4+1/3/13

   =5/3/13

d/=3/4.5/3-1/5

  =5/4-1/5

  =25/20-4/20

  =21/20

  =1/1/20

tick đúg mk nha

Answer 2

Thank khi giup toi lam bai tap ve nha

Answer 3

đáp án dưới là đứng rồi đó con