a)4/9 + 23/37 – 22/9 + 14/37 + 1 mũ 3 b)2/5 + 3/5 : (-3/2)+1/2 -1001/2002 c)27/13 : 9/7 + 12/13 : 9/7 d)8/15 x -4/9 + 8/15 :

a)4/9 + 23/37 – 22/9 + 14/37 + 1 mũ 3
b)2/5 + 3/5 : (-3/2)+1/2 -1001/2002
c)27/13 : 9/7 + 12/13 : 9/7
d)8/15 x -4/9 + 8/15 : -9/5 – 3 2/5

2 bình luận về “a)4/9 + 23/37 – 22/9 + 14/37 + 1 mũ 3 b)2/5 + 3/5 : (-3/2)+1/2 -1001/2002 c)27/13 : 9/7 + 12/13 : 9/7 d)8/15 x -4/9 + 8/15 :”

  2. a,4/9+23/37-22/9+14/37+1^3
    =(4/9-22/9)+(23/37+14/37)+1
    =-2+1+1
    =0
    $\\$
    b,2/5+3/5:(-3)/2+1/2-1001/2002
    =2/5-2/5+1/2-1/2
    =0+0
    =0
    $\\$
    c,27/13:9/7+12/13:9/7
    =27/13*7/9+12/13*7/9
    =7/9*(27/13+12/13)
    =7/9*3
    =7/3
    $\\$
    d,8/15*(-4)/9+8/15:(-9)/5-3 2/5
    =8/15*(-4)/9+8/15*(-5)/9-17/5
    =(-8)/15*(4/9+5/9)-17/5
    =(-8)/15*1-17/5
    =-59/15

    Trả lời

Viết một bình luận

Câu hỏi mới