a) 2/5 × -22/6 + 2/5 × 10/3 + 2³/-8 b) (-1/2) : (-1/2)³ – 5/4 c) căn bậc 16/25 + 9/25 – (5/2² – 1/4)²²² + 2022

2 bình luận về “a) 2/5 × -22/6 + 2/5 × 10/3 + 2³/-8 b) (-1/2) : (-1/2)³ – 5/4 c) căn bậc 16/25 + 9/25 – (5/2² – 1/4)²²² + 2022”

1. •GIASUDUYNTHUY

   

   Trả lời
2. a) 2/5 . -22/6 + 2/5 . 10/3 + (2^3)/(-8)

   =-22/15 + 4/3 – 1

   = -17/15.

   b) (-1/2) : (-1/2)^3 – 5/4

   = 4 – 5/4

   = 11/4.

   c) \sqrt{(16)/(25)} + 9/25 – (5/2^2 – 1/4)^222 + 2022^0

   =4/5 + 9/25 – 1 + 1

   = 29/25.

    

   Trả lời